52328631 has 4 divisors (see below), whose sum is σ = 69771512. Its totient is φ = 34885752.

The previous prime is 52328623. The next prime is 52328659. The reversal of 52328631 is 13682325.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52328631 - 2³ = 52328623 is a prime.

It is a super-2 number, since 2×52328631² = 5476571244668322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52328621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8721436 + ... + 8721441.

It is an arithmetic number, because the mean of its divisors is an integer number (17442878).

Almost surely, 2^52328631 is an apocalyptic number.

52328631 is a deficient number, since it is larger than the sum of its proper divisors (17442881).

52328631 is a wasteful number, since it uses less digits than its factorization.

52328631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17442880.

The product of its digits is 8640, while the sum is 30.

The square root of 52328631 is about 7233.8531226449. The cubic root of 52328631 is about 374.0357592087.

The spelling of 52328631 in words is "fifty-two million, three hundred twenty-eight thousand, six hundred thirty-one".