57808944 has 80 divisors (see below), whose sum is σ = 174691200. Its totient is φ = 18252864.

The previous prime is 57808847. The next prime is 57808969. The reversal of 57808944 is 44980875.

It is a self number, because there is not a number n which added to its sum of digits gives 57808944.

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, 4687 + ... + 11729.

It is an arithmetic number, because the mean of its divisors is an integer number (2183640).

Almost surely, 2^57808944 is an apocalyptic number.

57808944 is a gapful number since it is divisible by the number (54) 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 57808944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87345600).

57808944 is an abundant number, since it is smaller than the sum of its proper divisors (116882256).

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

57808944 is a wasteful number, since it uses less digits than its factorization.

57808944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7079 (or 7067 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 57808944 is about 7603.2193181573. The cubic root of 57808944 is about 386.6621653591.

The spelling of 57808944 in words is "fifty-seven million, eight hundred eight thousand, nine hundred forty-four".