56763520 has 96 divisors (see below), whose sum is σ = 149361660. Its totient is φ = 20613120.

The previous prime is 56763503. The next prime is 56763533. The reversal of 56763520 is 2536765.

It can be written as a sum of positive squares in 2 ways, for example, as 53348416 + 3415104 = 7304^2 + 1848^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77074 + ... + 77806.

Almost surely, 2^56763520 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 56763520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74680830).

56763520 is an abundant number, since it is smaller than the sum of its proper divisors (92598140).

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

56763520 is a wasteful number, since it uses less digits than its factorization.

56763520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 56763520 is about 7534.1568871374. The cubic root of 56763520 is about 384.3171569600.

The spelling of 56763520 in words is "fifty-six million, seven hundred sixty-three thousand, five hundred twenty".