56577760 has 24 divisors (see below), whose sum is σ = 133665336. Its totient is φ = 22631040.

The previous prime is 56577749. The next prime is 56577761. The reversal of 56577760 is 6777565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56577761) 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, 176646 + ... + 176965.

It is an arithmetic number, because the mean of its divisors is an integer number (5569389).

Almost surely, 2^56577760 is an apocalyptic number.

It is an amenable number.

56577760 is an abundant number, since it is smaller than the sum of its proper divisors (77087576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56577760 is a wasteful number, since it uses less digits than its factorization.

56577760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353626 (or 353618 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 43.

The square root of 56577760 is about 7521.8189289559. The cubic root of 56577760 is about 383.8974697327.

The spelling of 56577760 in words is "fifty-six million, five hundred seventy-seven thousand, seven hundred sixty".