57715968 has 72 divisors (see below), whose sum is σ = 154755328. Its totient is φ = 19095552.

The previous prime is 57715963. The next prime is 57715979. The reversal of 57715968 is 86951775.

It is a super-2 number, since 2×57715968² = 6662265924354048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57715961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171096 + ... + 171432.

Almost surely, 2^57715968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57715968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77377664).

57715968 is an abundant number, since it is smaller than the sum of its proper divisors (97039360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57715968 is a wasteful number, since it uses less digits than its factorization.

57715968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 565 counting only the distinct ones).

The product of its digits is 529200, while the sum is 48.

The square root of 57715968 is about 7597.1026055991. The cubic root of 57715968 is about 386.4547603593.

The spelling of 57715968 in words is "fifty-seven million, seven hundred fifteen thousand, nine hundred sixty-eight".