52990032 has 40 divisors (see below), whose sum is σ = 138942496. Its totient is φ = 17398656.

The previous prime is 52990027. The next prime is 52990079. The reversal of 52990032 is 23009925.

It is a super-2 number, since 2×52990032² = 5615886982722048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5023 + ... + 11454.

Almost surely, 2^52990032 is an apocalyptic number.

It is an amenable number.

52990032 is an abundant number, since it is smaller than the sum of its proper divisors (85952464).

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

52990032 is a wasteful number, since it uses less digits than its factorization.

52990032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16555 (or 16549 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 52990032 is about 7279.4252520374. The cubic root of 52990032 is about 375.6050251051.

Adding to 52990032 its reverse (23009925), we get a palindrome (75999957).

The spelling of 52990032 in words is "fifty-two million, nine hundred ninety thousand, thirty-two".