52630431 has 16 divisors (see below), whose sum is σ = 81713664. Its totient is φ = 29506464.

The previous prime is 52630427. The next prime is 52630441. The reversal of 52630431 is 13403625.

It is a happy number.

It is not a de Polignac number, because 52630431 - 2² = 52630427 is a prime.

It is a super-2 number, since 2×52630431² = 5539924534491522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52630441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22531 + ... + 24756.

It is an arithmetic number, because the mean of its divisors is an integer number (5107104).

Almost surely, 2^52630431 is an apocalyptic number.

52630431 is a deficient number, since it is larger than the sum of its proper divisors (29083233).

52630431 is a wasteful number, since it uses less digits than its factorization.

52630431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47350.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 52630431 is about 7254.6833838563. The cubic root of 52630431 is about 374.7534521622.

The spelling of 52630431 in words is "fifty-two million, six hundred thirty thousand, four hundred thirty-one".