56630784 has 160 divisors (see below), whose sum is σ = 180702720. Its totient is φ = 15409152.

The previous prime is 56630759. The next prime is 56630797. The reversal of 56630784 is 48703665.

It is a congruent number.

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, 247182 + ... + 247410.

It is an arithmetic number, because the mean of its divisors is an integer number (1129392).

Almost surely, 2^56630784 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 56630784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90351360).

56630784 is an abundant number, since it is smaller than the sum of its proper divisors (124071936).

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

56630784 is a wasteful number, since it uses less digits than its factorization.

56630784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 56630784 is about 7525.3427828904. The cubic root of 56630784 is about 384.0173603263.

The spelling of 56630784 in words is "fifty-six million, six hundred thirty thousand, seven hundred eighty-four".