52115658231 has 32 divisors (see below), whose sum is σ = 85662922240. Its totient is φ = 27444645504.

The previous prime is 52115658197. The next prime is 52115658263. The reversal of 52115658231 is 13285651125.

It is not a de Polignac number, because 52115658231 - 2¹⁷ = 52115527159 is a prime.

It is a super-2 number, since 2×52115658231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 52115658231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52115658281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11640 + ... + 323058.

It is an arithmetic number, because the mean of its divisors is an integer number (2676966320).

Almost surely, 2^52115658231 is an apocalyptic number.

52115658231 is a deficient number, since it is larger than the sum of its proper divisors (33547264009).

52115658231 is a wasteful number, since it uses less digits than its factorization.

52115658231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312055.

The product of its digits is 72000, while the sum is 39.

The spelling of 52115658231 in words is "fifty-two billion, one hundred fifteen million, six hundred fifty-eight thousand, two hundred thirty-one".