57685492 has 6 divisors (see below), whose sum is σ = 100949618. Its totient is φ = 28842744.

The previous prime is 57685477. The next prime is 57685493. The reversal of 57685492 is 29458675.

It can be written as a sum of positive squares in only one way, i.e., 55264356 + 2421136 = 7434^2 + 1556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57685493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7210683 + ... + 7210690.

Almost surely, 2^57685492 is an apocalyptic number.

It is an amenable number.

57685492 is a deficient number, since it is larger than the sum of its proper divisors (43264126).

57685492 is a wasteful number, since it uses less digits than its factorization.

57685492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14421377 (or 14421375 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 57685492 is about 7595.0965760812. The cubic root of 57685492 is about 386.3867279511.

It can be divided in two parts, 576 and 85492, that added together give a palindrome (86068).

The spelling of 57685492 in words is "fifty-seven million, six hundred eighty-five thousand, four hundred ninety-two".