56577748 has 24 divisors (see below), whose sum is σ = 101479392. Its totient is φ = 27592224.

The previous prime is 56577743. The next prime is 56577749. The reversal of 56577748 is 84777565.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56577743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27690 + ... + 29662.

It is an arithmetic number, because the mean of its divisors is an integer number (4228308).

Almost surely, 2^56577748 is an apocalyptic number.

It is an amenable number.

56577748 is a deficient number, since it is larger than the sum of its proper divisors (44901644).

56577748 is a wasteful number, since it uses less digits than its factorization.

56577748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151 (or 2149 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 49.

The square root of 56577748 is about 7521.8181312765. The cubic root of 56577748 is about 383.8974425915.

The spelling of 56577748 in words is "fifty-six million, five hundred seventy-seven thousand, seven hundred forty-eight".