It's about 1,500 times as heavy as a Puck (Hockey).
In other words, 551.15565550 pounds is 1,533.65051965220 times the weight of a Puck (Hockey), and the weight of a Puck (Hockey) is 0.00065203903183026 times that amount.(Ice hockey)
A standard ice hockey puck weighs between 0.343750 pounds and 0.3750 pounds. Hockey pucks can be shot or passed at speeds of up to 160 kph (99 mph) during games.
It's about 1,500 times as heavy as a Baseball.
In other words, 551.15565550 pounds is 1,720.68107082930 times the weight of a Baseball, and the weight of a Baseball is 0.00058116522402262 times that amount.(MLB rules)
Per Major League Baseball rules, a baseball must weigh between 0.31250 pounds and 0.3281250 pounds. A major league pitcher can throw a baseball at up to 150 kph (91 mph) (with a fastball pitch), with record-setting pitches as fast as 171 kph (106 mph).
It's about 2,000 times as heavy as a Battery (D).
In other words, 551.15565550 pounds is 1,850 times the weight of a Battery (D), and the weight of a Battery (D) is 0.000541 times that amount.(Alkaline)
A "D" size battery weighs 0.2980 pounds. The D size battery is the oldest of the modern battery sizes, first invented by the National Carbon Company in 1898.
It's about one-two-thousand-five-hundredth as heavy as Christ the Redeemer (statue).
In other words, 551.15565550 pounds is 0.000394 times the weight of Christ the Redeemer (statue), and the weight of Christ the Redeemer (statue) is 2,540 times that amount.(a.k.a. O Cristo Redentor, a.k.a. Christo redemptor) (Rio de Janeiro, Brazil)
Christ the Redeemer weighs 1,400,000 pounds. The statue overlooks the city of Rio de Janeiro from atop the 709.9-meter (2,329 ft) granite peak in the Tijuca Forest National Park.
It's about 2,500 times as heavy as a Deck of Cards.
In other words, the weight of a Deck of Cards is 0.00037 times 551.15565550 pounds.(ISO 216 B8 size, a.k.a. "poker size" 63 x 88 mm, 52-card deck)
A deck of 52 ISO 216 B8-size playing cards weighs 0.210 pounds. Utilizing nearly 3,700 decks, the record-holding largest card tower was built in early 2010, stood over 3.5 m (11 ft), and weighed over 500 pounds.
It's about 4,000 times as heavy as a Battery (C).
In other words, 551.15565550 pounds is 3,800 times the weight of a Battery (C), and the weight of a Battery (C) is 0.00026 times that amount.(Alkaline)
A "C" size battery weighs 0.140 pounds. C batteries are typically used in medium-drain devices such as musical instruments.
It's about 4,500 times as heavy as a Tennis Ball.
In other words, 551.15565550 pounds is 4,330 times the weight of a Tennis Ball, and the weight of a Tennis Ball is 0.000231 times that amount.(ITF Standard; for Type 2 ball)
Per International Tennis Federation standard, regulation tennis balls must weigh about 0.1270 pounds. Competition balls are also tested for bounce height, with the standards requiring that a ball dropped from 254 cm must bounce back to a height of 135 cm to 147 cm.