Fait général: 47555 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 47555 is a boring number.
Culture générale: 47555 is an unremarkable number.
Date historique: March 14th is the day in 1942 that Orvan Hess and John Bumstead became the first in the world to successfully treat a patient, Anne Miller, using penicillin.