56570756 has 12 divisors (see below), whose sum is σ = 107998800. Its totient is φ = 25713960.

The previous prime is 56570719. The next prime is 56570783. The reversal of 56570756 is 65707565.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642806 + ... + 642893.

It is an arithmetic number, because the mean of its divisors is an integer number (8999900).

Almost surely, 2^56570756 is an apocalyptic number.

It is an amenable number.

56570756 is a deficient number, since it is larger than the sum of its proper divisors (51428044).

56570756 is a wasteful number, since it uses less digits than its factorization.

56570756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285714 (or 1285712 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 56570756 is about 7521.3533356704. The cubic root of 56570756 is about 383.8816276490.

The spelling of 56570756 in words is "fifty-six million, five hundred seventy thousand, seven hundred fifty-six".