Fait général: 47550 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 47550 is a boring number.
Culture générale: 47550 is an unremarkable number.
Date historique: March 9th is the day in 1990 that Dr. Antonia Novello is sworn in as Surgeon General of the United States, becoming the first female and Hispanic American to serve in that position.