57388689 has 16 divisors (see below), whose sum is σ = 85224640. Its totient is φ = 38167200.

The previous prime is 57388687. The next prime is 57388697. The reversal of 57388689 is 98688375.

It is a happy number.

57388689 is a `hidden beast` number, since 573 + 8 + 8 + 68 + 9 = 666.

It is not a de Polignac number, because 57388689 - 2¹ = 57388687 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57388687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10014 + ... + 14664.

It is an arithmetic number, because the mean of its divisors is an integer number (5326540).

Almost surely, 2^57388689 is an apocalyptic number.

It is an amenable number.

57388689 is a deficient number, since it is larger than the sum of its proper divisors (27835951).

57388689 is a wasteful number, since it uses less digits than its factorization.

57388689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117 (or 5111 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 57388689 is about 7575.5322585281. The cubic root of 57388689 is about 385.7229100364.

The spelling of 57388689 in words is "fifty-seven million, three hundred eighty-eight thousand, six hundred eighty-nine".