57512986 has 8 divisors (see below), whose sum is σ = 86344020. Its totient is φ = 28731648.

The previous prime is 57512971. The next prime is 57512999. The reversal of 57512986 is 68921575.

57512986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48094225 + 9418761 = 6935^2 + 3069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9381 + ... + 14248.

Almost surely, 2^57512986 is an apocalyptic number.

57512986 is a deficient number, since it is larger than the sum of its proper divisors (28831034).

57512986 is a wasteful number, since it uses less digits than its factorization.

57512986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24848.

The product of its digits is 151200, while the sum is 43.

The square root of 57512986 is about 7583.7316671939. The cubic root of 57512986 is about 386.0011857105.

The spelling of 57512986 in words is "fifty-seven million, five hundred twelve thousand, nine hundred eighty-six".