56577812 has 12 divisors (see below), whose sum is σ = 99068256. Its totient is φ = 28272600.

The previous prime is 56577803. The next prime is 56577817. The reversal of 56577812 is 21877565.

It is a self number, because there is not a number n which added to its sum of digits gives 56577812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56577817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7187 + ... + 12837.

It is an arithmetic number, because the mean of its divisors is an integer number (8255688).

Almost surely, 2^56577812 is an apocalyptic number.

It is an amenable number.

56577812 is a deficient number, since it is larger than the sum of its proper divisors (42490444).

56577812 is a wasteful number, since it uses less digits than its factorization.

56577812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8158 (or 8156 counting only the distinct ones).

The product of its digits is 117600, while the sum is 41.

The square root of 56577812 is about 7521.8223855659. The cubic root of 56577812 is about 383.8975873447.

The spelling of 56577812 in words is "fifty-six million, five hundred seventy-seven thousand, eight hundred twelve".