Fatto generale: 54712 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 54712 is an uninteresting number.
Trivia: 54712 is an uninteresting number.
Data storica: October 17th is the day in 1973 that OPEC starts an oil embargo against a number of western countries, considered to have helped Israel in its war against Syria.