51522535023 has 16 divisors (see below), whose sum is σ = 69750812256. Its totient is φ = 33822835200.

The previous prime is 51522535013. The next prime is 51522535073. The reversal of 51522535023 is 32053522515.

It is not a de Polignac number, because 51522535023 - 2⁴ = 51522535007 is a prime.

It is a super-2 number, since 2×51522535023² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51522535013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55528 + ... + 325773.

It is an arithmetic number, because the mean of its divisors is an integer number (4359425766).

Almost surely, 2^51522535023 is an apocalyptic number.

51522535023 is a deficient number, since it is larger than the sum of its proper divisors (18228277233).

51522535023 is a wasteful number, since it uses less digits than its factorization.

51522535023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381994.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 51522535023 in words is "fifty-one billion, five hundred twenty-two million, five hundred thirty-five thousand, twenty-three".