56304520 has 16 divisors (see below), whose sum is σ = 126685260. Its totient is φ = 22521792.

The previous prime is 56304511. The next prime is 56304533. The reversal of 56304520 is 2540365.

It can be written as a sum of positive squares in 2 ways, for example, as 54671236 + 1633284 = 7394^2 + 1278^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703767 + ... + 703846.

Almost surely, 2^56304520 is an apocalyptic number.

It is an amenable number.

56304520 is an abundant number, since it is smaller than the sum of its proper divisors (70380740).

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

56304520 is a wasteful number, since it uses less digits than its factorization.

56304520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407624 (or 1407620 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 56304520 is about 7503.6337863731. The cubic root of 56304520 is about 383.2784664173.

Adding to 56304520 its reverse (2540365), we get a palindrome (58844885).

The spelling of 56304520 in words is "fifty-six million, three hundred four thousand, five hundred twenty".