52120137793 has 24 divisors (see below), whose sum is σ = 56605602816. Its totient is φ = 47953598400.

The previous prime is 52120137791. The next prime is 52120137809. The reversal of 52120137793 is 39773102125.

It is not a de Polignac number, because 52120137793 - 2¹ = 52120137791 is a prime.

It is a super-2 number, since 2×52120137793² (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 (52120137791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3292728 + ... + 3308518.

It is an arithmetic number, because the mean of its divisors is an integer number (2358566784).

Almost surely, 2^52120137793 is an apocalyptic number.

It is an amenable number.

52120137793 is a deficient number, since it is larger than the sum of its proper divisors (4485465023).

52120137793 is a wasteful number, since it uses less digits than its factorization.

52120137793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16093 (or 16074 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 52120137793 in words is "fifty-two billion, one hundred twenty million, one hundred thirty-seven thousand, seven hundred ninety-three".