52689184 has 24 divisors (see below), whose sum is σ = 106537788. Its totient is φ = 25632000.

The previous prime is 52689179. The next prime is 52689191. The reversal of 52689184 is 48198625.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48608784 + 4080400 = 6972^2 + 2020^2 .

It is a super-2 number, since 2×52689184² = 5552300221171712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52689184.

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, 21067 + ... + 23434.

Almost surely, 2^52689184 is an apocalyptic number.

It is an amenable number.

52689184 is an abundant number, since it is smaller than the sum of its proper divisors (53848604).

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

52689184 is a wasteful number, since it uses less digits than its factorization.

52689184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44548 (or 44540 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 52689184 is about 7258.7315696339. The cubic root of 52689184 is about 374.8928499792.

The spelling of 52689184 in words is "fifty-two million, six hundred eighty-nine thousand, one hundred eighty-four".