56704570 has 64 divisors (see below), whose sum is σ = 115668000. Its totient is φ = 19987968.

The previous prime is 56704567. The next prime is 56704589. The reversal of 56704570 is 7540765.

It can be written as a sum of positive squares in 16 ways, for example, as 29778849 + 26925721 = 5457^2 + 5189^2 .

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637086 + ... + 637174.

Almost surely, 2^56704570 is an apocalyptic number.

56704570 is an abundant number, since it is smaller than the sum of its proper divisors (58963430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56704570 is a wasteful number, since it uses less digits than its factorization.

56704570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 56704570 is about 7530.2436879559. The cubic root of 56704570 is about 384.1840706419.

The spelling of 56704570 in words is "fifty-six million, seven hundred four thousand, five hundred seventy".