57945272 has 64 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 22343040.

The previous prime is 57945247. The next prime is 57945289. The reversal of 57945272 is 27254975.

57945272 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 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 15 ways as a sum of consecutive naturals, for example, 66713 + ... + 67575.

It is an arithmetic number, because the mean of its divisors is an integer number (2138400).

Almost surely, 2^57945272 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 57945272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68428800).

57945272 is an abundant number, since it is smaller than the sum of its proper divisors (78912328).

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

57945272 is a wasteful number, since it uses less digits than its factorization.

57945272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 992 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The square root of 57945272 is about 7612.1791886424. The cubic root of 57945272 is about 386.9658755552.

The spelling of 57945272 in words is "fifty-seven million, nine hundred forty-five thousand, two hundred seventy-two".