52632531 has 16 divisors (see below), whose sum is σ = 89113600. Its totient is φ = 30075624.

The previous prime is 52632529. The next prime is 52632539. The reversal of 52632531 is 13523625.

It is not a de Polignac number, because 52632531 - 2¹ = 52632529 is a prime.

It is a super-2 number, since 2×52632531² = 5540366638931922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52632495 and 52632504.

It is not an unprimeable number, because it can be changed into a prime (52632539) 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, 139051 + ... + 139428.

It is an arithmetic number, because the mean of its divisors is an integer number (5569600).

Almost surely, 2^52632531 is an apocalyptic number.

52632531 is a deficient number, since it is larger than the sum of its proper divisors (36481069).

52632531 is a wasteful number, since it uses less digits than its factorization.

52632531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278495 (or 278489 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 52632531 is about 7254.8281165028. The cubic root of 52632531 is about 374.7584364255.

The spelling of 52632531 in words is "fifty-two million, six hundred thirty-two thousand, five hundred thirty-one".