57357690 has 64 divisors (see below), whose sum is σ = 150740352. Its totient is φ = 13881600.

The previous prime is 57357689. The next prime is 57357701. The reversal of 57357690 is 9675375.

It is a super-2 number, since 2×57357690² = 6579809204272200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22585 + ... + 24995.

It is an arithmetic number, because the mean of its divisors is an integer number (2355318).

Almost surely, 2^57357690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57357690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75370176).

57357690 is an abundant number, since it is smaller than the sum of its proper divisors (93382662).

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

57357690 is a wasteful number, since it uses less digits than its factorization.

57357690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495.

The product of its (nonzero) digits is 198450, while the sum is 42.

The square root of 57357690 is about 7573.4859873113. The cubic root of 57357690 is about 385.6534469986.

The spelling of 57357690 in words is "fifty-seven million, three hundred fifty-seven thousand, six hundred ninety".