56785764 has 48 divisors (see below), whose sum is σ = 152649728. Its totient is φ = 16093728.

The previous prime is 56785759. The next prime is 56785819. The reversal of 56785764 is 46758765.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8007 + ... + 13329.

Almost surely, 2^56785764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56785764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76324864).

56785764 is an abundant number, since it is smaller than the sum of its proper divisors (95863964).

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

56785764 is a wasteful number, since it uses less digits than its factorization.

56785764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464 (or 5462 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The square root of 56785764 is about 7535.6329528448. The cubic root of 56785764 is about 384.3673513714.

The spelling of 56785764 in words is "fifty-six million, seven hundred eighty-five thousand, seven hundred sixty-four".