52239337497 has 12 divisors (see below), whose sum is σ = 75459708324. Its totient is φ = 34824892320.

The previous prime is 52239337391. The next prime is 52239337511. The reversal of 52239337497 is 79473393225.

It can be written as a sum of positive squares in 2 ways, for example, as 46160952201 + 6078385296 = 214851^2 + 77964^2 .

It is not a de Polignac number, because 52239337497 - 2³⁰ = 51165595673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52239337097) 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, 176347 + ... + 368207.

It is an arithmetic number, because the mean of its divisors is an integer number (6288309027).

Almost surely, 2^52239337497 is an apocalyptic number.

It is an amenable number.

52239337497 is a deficient number, since it is larger than the sum of its proper divisors (23220370827).

52239337497 is a wasteful number, since it uses less digits than its factorization.

52239337497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222120 (or 222117 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 54.

The spelling of 52239337497 in words is "fifty-two billion, two hundred thirty-nine million, three hundred thirty-seven thousand, four hundred ninety-seven".