56257172 has 24 divisors (see below), whose sum is σ = 103130496. Its totient is φ = 26800928.

The previous prime is 56257171. The next prime is 56257177. The reversal of 56257172 is 27175265.

It is a happy number.

56257172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56257171) by changing a digit.

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, 25913 + ... + 27999.

It is an arithmetic number, because the mean of its divisors is an integer number (4297104).

Almost surely, 2^56257172 is an apocalyptic number.

It is an amenable number.

56257172 is a deficient number, since it is larger than the sum of its proper divisors (46873324).

56257172 is a wasteful number, since it uses less digits than its factorization.

56257172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407 (or 2405 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 56257172 is about 7500.4781180935. The cubic root of 56257172 is about 383.1709998640.

The spelling of 56257172 in words is "fifty-six million, two hundred fifty-seven thousand, one hundred seventy-two".