57812272 has 40 divisors (see below), whose sum is σ = 132150272. Its totient is φ = 23976000.

The previous prime is 57812263. The next prime is 57812273. The reversal of 57812272 is 27221875.

It is not an unprimeable number, because it can be changed into a prime (57812273) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4854 + ... + 11797.

Almost surely, 2^57812272 is an apocalyptic number.

It is an amenable number.

57812272 is an abundant number, since it is smaller than the sum of its proper divisors (74338000).

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

57812272 is a wasteful number, since it uses less digits than its factorization.

57812272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16697 (or 16691 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 57812272 is about 7603.4381696703. The cubic root of 57812272 is about 386.6695851279.

The spelling of 57812272 in words is "fifty-seven million, eight hundred twelve thousand, two hundred seventy-two".