56525720 has 32 divisors (see below), whose sum is σ = 132714720. Its totient is φ = 21626880.

The previous prime is 56525713. The next prime is 56525747. The reversal of 56525720 is 2752565.

56525720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29801 + ... + 31640.

It is an arithmetic number, because the mean of its divisors is an integer number (4147335).

Almost surely, 2^56525720 is an apocalyptic number.

It is an amenable number.

56525720 is an abundant number, since it is smaller than the sum of its proper divisors (76189000).

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

56525720 is a wasteful number, since it uses less digits than its factorization.

56525720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61475 (or 61471 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 56525720 is about 7518.3588634755. The cubic root of 56525720 is about 383.7797311685.

The spelling of 56525720 in words is "fifty-six million, five hundred twenty-five thousand, seven hundred twenty".