52185888 has 36 divisors (see below), whose sum is σ = 148404438. Its totient is φ = 17395200.

The previous prime is 52185871. The next prime is 52185901. The reversal of 52185888 is 88858125.

52185888 is a `hidden beast` number, since 52 + 18 + 588 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29030544 + 23155344 = 5388^2 + 4812^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90313 + ... + 90888.

Almost surely, 2^52185888 is an apocalyptic number.

It is an amenable number.

52185888 is an abundant number, since it is smaller than the sum of its proper divisors (96218550).

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

52185888 is a wasteful number, since it uses less digits than its factorization.

52185888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181217 (or 181206 counting only the distinct ones).

The product of its digits is 204800, while the sum is 45.

The square root of 52185888 is about 7223.9800664177. The cubic root of 52185888 is about 373.6953489589.

The spelling of 52185888 in words is "fifty-two million, one hundred eighty-five thousand, eight hundred eighty-eight".