Fait général: 56611 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 56611 is an uninteresting number.
Culture générale: 56611 is an unremarkable number.
Date historique: December 29th is the day in 1959 that Physicist Richard Feynman gives a speech entitled "There's Plenty of Room at the Bottom", which is regarded as the birth of nanotechnology.