56620868 has 6 divisors (see below), whose sum is σ = 99086526. Its totient is φ = 28310432.

The previous prime is 56620807. The next prime is 56620891. The reversal of 56620868 is 86802665.

It can be written as a sum of positive squares in only one way, i.e., 53904964 + 2715904 = 7342^2 + 1648^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7077605 + ... + 7077612.

It is an arithmetic number, because the mean of its divisors is an integer number (16514421).

Almost surely, 2^56620868 is an apocalyptic number.

It is an amenable number.

56620868 is a deficient number, since it is larger than the sum of its proper divisors (42465658).

56620868 is a wasteful number, since it uses less digits than its factorization.

56620868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14155221 (or 14155219 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 56620868 is about 7524.6839136272. The cubic root of 56620868 is about 383.9949453183.

The spelling of 56620868 in words is "fifty-six million, six hundred twenty thousand, eight hundred sixty-eight".