56902720 has 168 divisors, whose sum is σ = 166786560. Its totient is φ = 18385920.

The previous prime is 56902679. The next prime is 56902721. The reversal of 56902720 is 2720965.

It is not an unprimeable number, because it can be changed into a prime (56902721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297825 + ... + 298015.

Almost surely, 2^56902720 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 56902720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83393280).

56902720 is an abundant number, since it is smaller than the sum of its proper divisors (109883840).

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

56902720 is a wasteful number, since it uses less digits than its factorization.

56902720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 56902720 is about 7543.3891587270. The cubic root of 56902720 is about 384.6310515054.

The spelling of 56902720 in words is "fifty-six million, nine hundred two thousand, seven hundred twenty".