52912631 has 4 divisors (see below), whose sum is σ = 53004912. Its totient is φ = 52820352.

The previous prime is 52912597. The next prime is 52912637. The reversal of 52912631 is 13621925.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52912631 is a prime.

It is a super-2 number, since 2×52912631² = 5599493038684322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52912594 and 52912603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52912637) 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, 45275 + ... + 46428.

It is an arithmetic number, because the mean of its divisors is an integer number (13251228).

Almost surely, 2^52912631 is an apocalyptic number.

52912631 is a deficient number, since it is larger than the sum of its proper divisors (92281).

52912631 is an equidigital number, since it uses as much as digits as its factorization.

52912631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92280.

The product of its digits is 3240, while the sum is 29.

The square root of 52912631 is about 7274.1068867594. The cubic root of 52912631 is about 375.4220575423.

The spelling of 52912631 in words is "fifty-two million, nine hundred twelve thousand, six hundred thirty-one".