51632131023 has 32 divisors (see below), whose sum is σ = 84621196800. Its totient is φ = 30851452800.

The previous prime is 51632131021. The next prime is 51632131063. The reversal of 51632131023 is 32013123615.

51632131023 is a `hidden beast` number, since 5 + 1 + 6 + 321 + 310 + 23 = 666.

51632131023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51632131023 - 2¹ = 51632131021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51632131021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1203178 + ... + 1245351.

It is an arithmetic number, because the mean of its divisors is an integer number (2644412400).

Almost surely, 2^51632131023 is an apocalyptic number.

51632131023 is a deficient number, since it is larger than the sum of its proper divisors (32989065777).

51632131023 is a wasteful number, since it uses less digits than its factorization.

51632131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448620 (or 2448614 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 51632131023 its reverse (32013123615), we get a palindrome (83645254638).

The spelling of 51632131023 in words is "fifty-one billion, six hundred thirty-two million, one hundred thirty-one thousand, twenty-three".