57245616 has 50 divisors (see below), whose sum is σ = 165689172. Its totient is φ = 19081440.

The previous prime is 57245609. The next prime is 57245627. The reversal of 57245616 is 61654275.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20790 + ... + 23381.

Almost surely, 2^57245616 is an apocalyptic number.

It is an amenable number.

57245616 is an abundant number, since it is smaller than the sum of its proper divisors (108443556).

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

57245616 is a wasteful number, since it uses less digits than its factorization.

57245616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44191 (or 44176 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 57245616 is about 7566.0832667900. The cubic root of 57245616 is about 385.4021008348.

The spelling of 57245616 in words is "fifty-seven million, two hundred forty-five thousand, six hundred sixteen".