56574656 has 14 divisors (see below), whose sum is σ = 112265460. Its totient is φ = 28287296.

The previous prime is 56574653. The next prime is 56574667. The reversal of 56574656 is 65647565.

It is not an unprimeable number, because it can be changed into a prime (56574653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 441926 + ... + 442053.

Almost surely, 2^56574656 is an apocalyptic number.

It is an amenable number.

56574656 is a deficient number, since it is larger than the sum of its proper divisors (55690804).

56574656 is an equidigital number, since it uses as much as digits as its factorization.

56574656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883991 (or 883981 counting only the distinct ones).

The product of its digits is 756000, while the sum is 44.

The square root of 56574656 is about 7521.6125930548. The cubic root of 56574656 is about 383.8904490734.

Adding to 56574656 its reverse (65647565), we get a palindrome (122222221).

The spelling of 56574656 in words is "fifty-six million, five hundred seventy-four thousand, six hundred fifty-six".