57912272 has 40 divisors (see below), whose sum is σ = 125027712. Its totient is φ = 25760000.

The previous prime is 57912263. The next prime is 57912299. The reversal of 57912272 is 27221975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4772 + ... + 11772.

Almost surely, 2^57912272 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 57912272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62513856).

57912272 is an abundant number, since it is smaller than the sum of its proper divisors (67115440).

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

57912272 is a wasteful number, since it uses less digits than its factorization.

57912272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067 (or 7061 counting only the distinct ones).

The product of its digits is 17640, while the sum is 35.

The square root of 57912272 is about 7610.0113009115. The cubic root of 57912272 is about 386.8924022106.

The spelling of 57912272 in words is "fifty-seven million, nine hundred twelve thousand, two hundred seventy-two".