56881256 has 8 divisors (see below), whose sum is σ = 106652370. Its totient is φ = 28440624.

The previous prime is 56881213. The next prime is 56881261. The reversal of 56881256 is 65218865.

56881256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29528356 + 27352900 = 5434^2 + 5230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3555071 + ... + 3555086.

Almost surely, 2^56881256 is an apocalyptic number.

It is an amenable number.

56881256 is a deficient number, since it is larger than the sum of its proper divisors (49771114).

56881256 is a wasteful number, since it uses less digits than its factorization.

56881256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110163 (or 7110159 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 56881256 is about 7541.9663218553. The cubic root of 56881256 is about 384.5826838167.

The spelling of 56881256 in words is "fifty-six million, eight hundred eighty-one thousand, two hundred fifty-six".