52237168531 has 4 divisors (see below), whose sum is σ = 52245250000. Its totient is φ = 52229087064.

The previous prime is 52237168513. The next prime is 52237168541. The reversal of 52237168531 is 13586173225.

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 52237168531 - 2⁹ = 52237168019 is a prime.

It is a super-2 number, since 2×52237168531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52237168541) 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, 4031031 + ... + 4043968.

It is an arithmetic number, because the mean of its divisors is an integer number (13061312500).

Almost surely, 2^52237168531 is an apocalyptic number.

52237168531 is a deficient number, since it is larger than the sum of its proper divisors (8081469).

52237168531 is an equidigital number, since it uses as much as digits as its factorization.

52237168531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8081468.

The product of its digits is 302400, while the sum is 43.

The spelling of 52237168531 in words is "fifty-two billion, two hundred thirty-seven million, one hundred sixty-eight thousand, five hundred thirty-one".