56812664 has 16 divisors (see below), whose sum is σ = 106603800. Its totient is φ = 28384992.

The previous prime is 56812643. The next prime is 56812697. The reversal of 56812664 is 46621865.

56812664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 18914 + ... + 21710.

Almost surely, 2^56812664 is an apocalyptic number.

It is an amenable number.

56812664 is a deficient number, since it is larger than the sum of its proper divisors (49791136).

56812664 is a wasteful number, since it uses less digits than its factorization.

56812664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342 (or 5338 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 56812664 is about 7537.4175949061. The cubic root of 56812664 is about 384.4280347118.

The spelling of 56812664 in words is "fifty-six million, eight hundred twelve thousand, six hundred sixty-four".