Fait général: 53743 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 53743 is an unremarkable number.
Culture générale: 53743 is an uninteresting number.
Date historique: February 21st is the day in 1995 that Steve Fossett lands in Leader, Saskatchewan, Canada becoming the first person to make a solo flight across the Pacific Ocean in a balloon.