52164531 has 12 divisors (see below), whose sum is σ = 75900552. Its totient is φ = 34521696.

The previous prime is 52164523. The next prime is 52164589. The reversal of 52164531 is 13546125.

It is not a de Polignac number, because 52164531 - 2³ = 52164523 is a prime.

It is a super-2 number, since 2×52164531² = 5442276588899922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52164495 and 52164504.

It is not an unprimeable number, because it can be changed into a prime (52164631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19921 + ... + 22386.

It is an arithmetic number, because the mean of its divisors is an integer number (6325046).

Almost surely, 2^52164531 is an apocalyptic number.

52164531 is a deficient number, since it is larger than the sum of its proper divisors (23736021).

52164531 is a wasteful number, since it uses less digits than its factorization.

52164531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42450 (or 42447 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 52164531 is about 7222.5017133954. The cubic root of 52164531 is about 373.6443639074.

The spelling of 52164531 in words is "fifty-two million, one hundred sixty-four thousand, five hundred thirty-one".