56828656 has 20 divisors (see below), whose sum is σ = 110249392. Its totient is φ = 28377216.

The previous prime is 56828617. The next prime is 56828669. The reversal of 56828656 is 65682865.

It is a super-2 number, since 2×56828656² = 6458992285532672, which contains 22 as substring.

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, 13636 + ... + 17308.

Almost surely, 2^56828656 is an apocalyptic number.

It is an amenable number.

56828656 is a deficient number, since it is larger than the sum of its proper divisors (53420736).

56828656 is a wasteful number, since it uses less digits than its factorization.

56828656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648 (or 4642 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 56828656 is about 7538.4783610487. The cubic root of 56828656 is about 384.4641017665.

The spelling of 56828656 in words is "fifty-six million, eight hundred twenty-eight thousand, six hundred fifty-six".