57685394 has 8 divisors (see below), whose sum is σ = 93184140. Its totient is φ = 26624016.

The previous prime is 57685393. The next prime is 57685429. The reversal of 57685394 is 49358675.

It can be written as a sum of positive squares in 2 ways, for example, as 57684025 + 1369 = 7595^2 + 37^2 .

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

It is not an unprimeable number, because it can be changed into a prime (57685393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109309 + ... + 1109360.

Almost surely, 2^57685394 is an apocalyptic number.

57685394 is a deficient number, since it is larger than the sum of its proper divisors (35498746).

57685394 is a wasteful number, since it uses less digits than its factorization.

57685394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218684.

The product of its digits is 907200, while the sum is 47.

The square root of 57685394 is about 7595.0901245476. The cubic root of 57685394 is about 386.3865091444.

The spelling of 57685394 in words is "fifty-seven million, six hundred eighty-five thousand, three hundred ninety-four".