56788680 has 128 divisors (see below), whose sum is σ = 186883200. Its totient is φ = 13719552.

The previous prime is 56788661. The next prime is 56788691. The reversal of 56788680 is 8688765.

It is a happy number.

It is a super-2 number, since 2×56788680² = 6449908352284800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91732 + ... + 92348.

It is an arithmetic number, because the mean of its divisors is an integer number (1460025).

Almost surely, 2^56788680 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 56788680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93441600).

56788680 is an abundant number, since it is smaller than the sum of its proper divisors (130094520).

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

56788680 is a wasteful number, since it uses less digits than its factorization.

56788680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 56788680 is about 7535.8264311222. The cubic root of 56788680 is about 384.3739304617.

The spelling of 56788680 in words is "fifty-six million, seven hundred eighty-eight thousand, six hundred eighty".