56864570 has 16 divisors (see below), whose sum is σ = 116978688. Its totient is φ = 19496400.

The previous prime is 56864569. The next prime is 56864573. The reversal of 56864570 is 7546865.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56864573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406106 + ... + 406245.

It is an arithmetic number, because the mean of its divisors is an integer number (7311168).

Almost surely, 2^56864570 is an apocalyptic number.

56864570 is an abundant number, since it is smaller than the sum of its proper divisors (60114118).

56864570 is a wasteful number, since it uses less digits than its factorization.

56864570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812365.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 56864570 is about 7540.8600305270. The cubic root of 56864570 is about 384.5450746246.

The spelling of 56864570 in words is "fifty-six million, eight hundred sixty-four thousand, five hundred seventy".