57915872 has 96 divisors (see below), whose sum is σ = 140652288. Its totient is φ = 22910976.

The previous prime is 57915859. The next prime is 57915911. The reversal of 57915872 is 27851975.

It is a super-3 number, since 3×57915872³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255023 + ... + 255249.

It is an arithmetic number, because the mean of its divisors is an integer number (1465128).

Almost surely, 2^57915872 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 57915872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70326144).

57915872 is an abundant number, since it is smaller than the sum of its proper divisors (82736416).

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

57915872 is a wasteful number, since it uses less digits than its factorization.

57915872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 320 counting only the distinct ones).

The product of its digits is 176400, while the sum is 44.

The square root of 57915872 is about 7610.2478277649. The cubic root of 57915872 is about 386.9004188407.

The spelling of 57915872 in words is "fifty-seven million, nine hundred fifteen thousand, eight hundred seventy-two".