57861825 has 48 divisors (see below), whose sum is σ = 109992960. Its totient is φ = 26291520.

The previous prime is 57861823. The next prime is 57861827. The reversal of 57861825 is 52816875.

It is an interprime number because it is at equal distance from previous prime (57861823) and next prime (57861827).

It is not a de Polignac number, because 57861825 - 2¹ = 57861823 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (57861823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160996 + ... + 161354.

It is an arithmetic number, because the mean of its divisors is an integer number (2291520).

Almost surely, 2^57861825 is an apocalyptic number.

It is an amenable number.

57861825 is a deficient number, since it is larger than the sum of its proper divisors (52131135).

57861825 is a wasteful number, since it uses less digits than its factorization.

57861825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 681 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The square root of 57861825 is about 7606.6960633379. The cubic root of 57861825 is about 386.7800297646.

The spelling of 57861825 in words is "fifty-seven million, eight hundred sixty-one thousand, eight hundred twenty-five".