It's about 200 times the number of Living U.S. Presidents.
In other words, the count of Living U.S. Presidents is 0.005 times 910.(a.k.a. Presidents of the United States; a.k.a. Presidents of the United States of America; a.k.a. POTUS), (2016 figures) (including current)
As of this writing, there are five living United States Presidents — President Carter, President Clinton, President Obama, and the two Presidents Bush. At no point in U.S. history have their been more than six (6) living presidents, this circumstance having occurred three times.
It's about 500 times the number of Escalators in the State of Wyoming.
In other words, the count of Escalators in the State of Wyoming is 0.002 times 910.(2013 figures)