57372120 has 288 divisors, whose sum is σ = 215822880. Its totient is φ = 13178880.

The previous prime is 57372109. The next prime is 57372137. The reversal of 57372120 is 2127375.

57372120 is a `hidden beast` number, since 573 + 72 + 1 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1399300 + ... + 1399340.

It is an arithmetic number, because the mean of its divisors is an integer number (749385).

Almost surely, 2^57372120 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 57372120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107911440).

57372120 is an abundant number, since it is smaller than the sum of its proper divisors (158450760).

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

57372120 is a wasteful number, since it uses less digits than its factorization.

57372120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 57372120 is about 7574.4385930576. The cubic root of 57372120 is about 385.6857850781.

Adding to 57372120 its reverse (2127375), we get a palindrome (59499495).

The spelling of 57372120 in words is "fifty-seven million, three hundred seventy-two thousand, one hundred twenty".