57939685 has 4 divisors (see below), whose sum is σ = 69527628. Its totient is φ = 46351744.

The previous prime is 57939677. The next prime is 57939731. The reversal of 57939685 is 58693975.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38526849 + 19412836 = 6207^2 + 4406^2 .

It is a cyclic number.

It is not a de Polignac number, because 57939685 - 2³ = 57939677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5793964 + ... + 5793973.

It is an arithmetic number, because the mean of its divisors is an integer number (17381907).

Almost surely, 2^57939685 is an apocalyptic number.

It is an amenable number.

57939685 is a deficient number, since it is larger than the sum of its proper divisors (11587943).

57939685 is a wasteful number, since it uses less digits than its factorization.

57939685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11587942.

The product of its digits is 2041200, while the sum is 52.

The square root of 57939685 is about 7611.8122020975. The cubic root of 57939685 is about 386.9534382573.

The spelling of 57939685 in words is "fifty-seven million, nine hundred thirty-nine thousand, six hundred eighty-five".