57715616 has 96 divisors (see below), whose sum is σ = 139345920. Its totient is φ = 22982400.

The previous prime is 57715591. The next prime is 57715633. The reversal of 57715616 is 61651775.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 57715616.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302081 + ... + 302271.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 2^57715616 is an apocalyptic number.

57715616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57715616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69672960).

57715616 is an abundant number, since it is smaller than the sum of its proper divisors (81630304).

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

57715616 is a wasteful number, since it uses less digits than its factorization.

57715616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 290 counting only the distinct ones).

The product of its digits is 44100, while the sum is 38.

The square root of 57715616 is about 7597.0794388370. The cubic root of 57715616 is about 386.4539747168.

The spelling of 57715616 in words is "fifty-seven million, seven hundred fifteen thousand, six hundred sixteen".