Fait général: 47548 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 47548 is a boring number.
Culture générale: 47548 is an unremarkable number.
Date historique: March 7th is the day in 321 that Emperor Constantine I decrees that the dies Solis Invicti (sun-day) is the day of rest in the Empire.