52694789538 has 16 divisors (see below), whose sum is σ = 109971734976. Its totient is φ = 16801237200.

The previous prime is 52694789533. The next prime is 52694789621. The reversal of 52694789538 is 83598749625.

It is a super-2 number, since 2×52694789538² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52694789531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190923013 + ... + 190923288.

It is an arithmetic number, because the mean of its divisors is an integer number (6873233436).

Almost surely, 2^52694789538 is an apocalyptic number.

52694789538 is an abundant number, since it is smaller than the sum of its proper divisors (57276945438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52694789538 is a wasteful number, since it uses less digits than its factorization.

52694789538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381846329.

The product of its digits is 130636800, while the sum is 66.

The spelling of 52694789538 in words is "fifty-two billion, six hundred ninety-four million, seven hundred eighty-nine thousand, five hundred thirty-eight".