57861572 has 12 divisors (see below), whose sum is σ = 101313660. Its totient is φ = 28914816.

The previous prime is 57861569. The next prime is 57861607. The reversal of 57861572 is 27516875.

It can be written as a sum of positive squares in 2 ways, for example, as 36554116 + 21307456 = 6046^2 + 4616^2 .

It is a super-2 number, since 2×57861572² = 6695923028622368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 8504 + ... + 13712.

It is an arithmetic number, because the mean of its divisors is an integer number (8442805).

Almost surely, 2^57861572 is an apocalyptic number.

It is an amenable number.

57861572 is a deficient number, since it is larger than the sum of its proper divisors (43452088).

57861572 is a wasteful number, since it uses less digits than its factorization.

57861572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7990 (or 7988 counting only the distinct ones).

The product of its digits is 117600, while the sum is 41.

The square root of 57861572 is about 7606.6794332350. The cubic root of 57861572 is about 386.7794660337.

The spelling of 57861572 in words is "fifty-seven million, eight hundred sixty-one thousand, five hundred seventy-two".