52623631 has 4 divisors (see below), whose sum is σ = 52755264. Its totient is φ = 52492000.

The previous prime is 52623607. The next prime is 52623643. The reversal of 52623631 is 13632625.

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

It is a cyclic number.

It is not a de Polignac number, because 52623631 - 2¹⁹ = 52099343 is a prime.

It is a super-2 number, since 2×52623631² = 5538493079248322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52623631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52623601) 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, 65215 + ... + 66016.

It is an arithmetic number, because the mean of its divisors is an integer number (13188816).

Almost surely, 2^52623631 is an apocalyptic number.

52623631 is a deficient number, since it is larger than the sum of its proper divisors (131633).

52623631 is a wasteful number, since it uses less digits than its factorization.

52623631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131632.

The product of its digits is 6480, while the sum is 28.

The square root of 52623631 is about 7254.2147059485. The cubic root of 52623631 is about 374.7373117330.

The spelling of 52623631 in words is "fifty-two million, six hundred twenty-three thousand, six hundred thirty-one".