57685457357 has 12 divisors (see below), whose sum is σ = 66743507040. Its totient is φ = 49681253160.

The previous prime is 57685457351. The next prime is 57685457359. The reversal of 57685457357 is 75375458675.

It is not a de Polignac number, because 57685457357 - 2⁴ = 57685457341 is a prime.

It is a super-2 number, since 2×57685457357² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57685457357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57685457351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12543473 + ... + 12548070.

It is an arithmetic number, because the mean of its divisors is an integer number (5561958920).

Almost surely, 2^57685457357 is an apocalyptic number.

It is an amenable number.

57685457357 is a deficient number, since it is larger than the sum of its proper divisors (9058049683).

57685457357 is a wasteful number, since it uses less digits than its factorization.

57685457357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25091584 (or 25091573 counting only the distinct ones).

The product of its digits is 123480000, while the sum is 62.

The spelling of 57685457357 in words is "fifty-seven billion, six hundred eighty-five million, four hundred fifty-seven thousand, three hundred fifty-seven".