Fatto generale: 15570 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 15570 is an uninteresting number.
Trivia: 15570 is an unremarkable number.
Data storica: August 17th is the day in 2005 that the first forced evacuation of settlers, as part of the Israel unilateral disengagement plan, starts.