57812368 has 20 divisors (see below), whose sum is σ = 112141260. Its totient is φ = 28872704.

The previous prime is 57812333. The next prime is 57812387. The reversal of 57812368 is 86321875.

It can be written as a sum of positive squares in 2 ways, for example, as 6718464 + 51093904 = 2592^2 + 7148^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57812368.

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, 17988 + ... + 20956.

It is an arithmetic number, because the mean of its divisors is an integer number (5607063).

Almost surely, 2^57812368 is an apocalyptic number.

It is an amenable number.

57812368 is a deficient number, since it is larger than the sum of its proper divisors (54328892).

57812368 is a wasteful number, since it uses less digits than its factorization.

57812368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194 (or 4188 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 57812368 is about 7603.4444826013. Note that the first 4 decimals coincide. The cubic root of 57812368 is about 386.6697991555.

The spelling of 57812368 in words is "fifty-seven million, eight hundred twelve thousand, three hundred sixty-eight".