56857076 has 12 divisors (see below), whose sum is σ = 99819972. Its totient is φ = 28337088.

The previous prime is 56857067. The next prime is 56857091. The reversal of 56857076 is 67075865.

56857076 = T₇₃ + T₇₄ + ... + T₆₉₈.

It can be written as a sum of positive squares in 2 ways, for example, as 456976 + 56400100 = 676^2 + 7510^2 .

It is a congruent number.

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, 21455 + ... + 23958.

It is an arithmetic number, because the mean of its divisors is an integer number (8318331).

Almost surely, 2^56857076 is an apocalyptic number.

It is an amenable number.

56857076 is a deficient number, since it is larger than the sum of its proper divisors (42962896).

56857076 is a wasteful number, since it uses less digits than its factorization.

56857076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45730 (or 45728 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 56857076 is about 7540.3631212296. The cubic root of 56857076 is about 384.5281812269.

The spelling of 56857076 in words is "fifty-six million, eight hundred fifty-seven thousand, seventy-six".