51733576838242 has 16 divisors (see below), whose sum is σ = 86451335301240. Its totient is φ = 23053689412992.

The previous prime is 51733576838143. The next prime is 51733576838243. The reversal of 51733576838242 is 24283867533715.

It can be written as a sum of positive squares in 4 ways, for example, as 38782366547401 + 12951210290841 = 6227549^2 + 3598779^2 .

It is not an unprimeable number, because it can be changed into a prime (51733576838243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34306084683 + ... + 34306086190.

Almost surely, 2^{51733576838242} is an apocalyptic number.

51733576838242 is a deficient number, since it is larger than the sum of its proper divisors (34717758462998).

51733576838242 is a wasteful number, since it uses less digits than its factorization.

51733576838242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68612170917.

The product of its digits is 203212800, while the sum is 64.

The spelling of 51733576838242 in words is "fifty-one trillion, seven hundred thirty-three billion, five hundred seventy-six million, eight hundred thirty-eight thousand, two hundred forty-two".