57374568 has 80 divisors (see below), whose sum is σ = 165114180. Its totient is φ = 18600192.

The previous prime is 57374561. The next prime is 57374573. The reversal of 57374568 is 86547375.

57374568 is a `hidden beast` number, since 57 + 37 + 4 + 568 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56881764 + 492804 = 7542^2 + 702^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (57374561) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22780 + ... + 25172.

Almost surely, 2^57374568 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 57374568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82557090).

57374568 is an abundant number, since it is smaller than the sum of its proper divisors (107739612).

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

57374568 is a wasteful number, since it uses less digits than its factorization.

57374568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2435 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 57374568 is about 7574.6001874686. The cubic root of 57374568 is about 385.6912705844.

The spelling of 57374568 in words is "fifty-seven million, three hundred seventy-four thousand, five hundred sixty-eight".