57445168 has 60 divisors (see below), whose sum is σ = 127132488. Its totient is φ = 24935680.

The previous prime is 57445153. The next prime is 57445187. The reversal of 57445168 is 86154475.

It is a self number, because there is not a number n which added to its sum of digits gives 57445168.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92796 + ... + 93412.

Almost surely, 2^57445168 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 57445168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63566244).

57445168 is an abundant number, since it is smaller than the sum of its proper divisors (69687320).

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

57445168 is a wasteful number, since it uses less digits than its factorization.

57445168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 653 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 57445168 is about 7579.2590666898. The cubic root of 57445168 is about 385.8494047742.

The spelling of 57445168 in words is "fifty-seven million, four hundred forty-five thousand, one hundred sixty-eight".