Bluebulb Projects' The Measure of Things presents:
5,500 is about two-and-a-half times the number of Steps in the Sears Tower.
In other words, it's 2.608 times the count of Steps in the Sears Tower, and the count of Steps in the Sears Tower is 0.3834 times that amount.
(a.k.a. Willis Tower) (Chicago, Illinois) (steps per stairwell)