57685272 has 16 divisors (see below), whose sum is σ = 144213240. Its totient is φ = 19228416.

The previous prime is 57685259. The next prime is 57685283. The reversal of 57685272 is 27258675.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201753 + ... + 1201800.

Almost surely, 2^57685272 is an apocalyptic number.

It is an amenable number.

57685272 is an abundant number, since it is smaller than the sum of its proper divisors (86527968).

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

57685272 is a wasteful number, since it uses less digits than its factorization.

57685272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403562 (or 2403558 counting only the distinct ones).

The product of its digits is 235200, while the sum is 42.

The square root of 57685272 is about 7595.0820930389. The cubic root of 57685272 is about 386.3862367520.

The spelling of 57685272 in words is "fifty-seven million, six hundred eighty-five thousand, two hundred seventy-two".