It's about two-fifths the number of Union Stations in the United States.
In other words, 50 is 0.37 times the count of Union Stations in the United States, and the count of Union Stations in the United States is 2.7 times that amount.(a.k.a. Union Terminal; a.k.a. Joint Station; a.k.a. Union Depot) (2016 figures)
Typically shared between multiple railroad companies and stations, there are about 135 "Union Stations" in the United States. Of these, the busiest station is Chicago Union Station, which handles 120,000 passengers each year.
It's about one-third the number of Moons in our Solar System.
In other words, 50 is 0.342 times the count of Moons in our Solar System, and the count of Moons in our Solar System is 2.92 times that amount.(2015 figures) (confirmed moons only; dwarf planet satellites not included)
Astronomers and other scientists have confirmed the presence of 146 moons orbiting the major planets of our Solar System. About one third of those moons — 53 — are in orbit around the planet Saturn
It's about three-and-a-half times the number of Living Kings and Queens.
In other words, the count of Living Kings and Queens is 0.3 times 50.(2015 figures) (distinct Monarchs)
As of 2015, the world has fifteen Kings and Queens reigning over 45 countries. Of all these, Queen Elizabeth the II is the only reigning Queen; she has monarchical authority over the sixteen of the Commonwealth nations.
It's about three-tenths the number of John Wayne films.
In other words, 50 is 0.281 times the count of John Wayne films, and the count of John Wayne films is 3.56 times that amount.(a.k.a. "Duke", a.k.a. JW, a.k.a. Marion Mitchell Morrison, a.k.a. Marion Robert Morrison, a.k.a. Duke Morrison) (films starring the actor in any size role)
Known for his distinctive voice and walk, Oscar-winning Western actor John Wayne appeared in 178 films between 1926 and 1976. He was said to have the lead role in 142 of those films.
It's about one-fourth the number of Bones in the Human Body.
In other words, 50 is 0.243 times the count of Bones in the Human Body, and the count of Bones in the Human Body is 4.12 times that amount.(adult, excluding sesamoid bones and ossicles)
The adult human body contains 206 bones. A newborn's body contains more bones — 270 — with unfused bone segments in the legs, arms, head, and face.
It's about one-fifth the number of Vertebrae in a Snake's Body.
It's about one-fifth the number of Words in the Gettysburg Address.
In other words, 50 is 0.184 times the count of Words in the Gettysburg Address, and the count of Words in the Gettysburg Address is 5.43 times that amount.(Bliss text)
Lincoln's Gettysburg Address, delivered November 19, 1863, at the postwar dedication of the Soldiers' National Cemetery in Gettysburg, Pennsylvania, lasted just over two minutes and contained an estimated (the exact wording of the original speech is disputed) 272 words. Lincoln wrote five (5) drafts of the speech, which are known today by the last names of the original recipients.