57643008 has 52 divisors (see below), whose sum is σ = 153728688. Its totient is φ = 19210240.

The previous prime is 57642989. The next prime is 57643031. The reversal of 57643008 is 80034675.

It is a self number, because there is not a number n which added to its sum of digits gives 57643008.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9943 + ... + 14633.

Almost surely, 2^57643008 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 57643008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76864344).

57643008 is an abundant number, since it is smaller than the sum of its proper divisors (96085680).

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

57643008 is an equidigital number, since it uses as much as digits as its factorization.

57643008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718 (or 4696 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 57643008 is about 7592.2992564835. The cubic root of 57643008 is about 386.2918497611.

The spelling of 57643008 in words is "fifty-seven million, six hundred forty-three thousand, eight".