52522215231 has 16 divisors (see below), whose sum is σ = 70422992640. Its totient is φ = 34818664320.

The previous prime is 52522215211. The next prime is 52522215283. The reversal of 52522215231 is 13251222525.

It is not a de Polignac number, because 52522215231 - 2⁶ = 52522215167 is a prime.

It is a super-2 number, since 2×52522215231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52522215211) 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, 323751 + ... + 458103.

It is an arithmetic number, because the mean of its divisors is an integer number (4401437040).

Almost surely, 2^52522215231 is an apocalyptic number.

52522215231 is a deficient number, since it is larger than the sum of its proper divisors (17900777409).

52522215231 is a wasteful number, since it uses less digits than its factorization.

52522215231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135086.

The product of its digits is 12000, while the sum is 30.

Adding to 52522215231 its reverse (13251222525), we get a palindrome (65773437756).

The spelling of 52522215231 in words is "fifty-two billion, five hundred twenty-two million, two hundred fifteen thousand, two hundred thirty-one".