51632433507 has 16 divisors (see below), whose sum is σ = 73274499072. Its totient is φ = 32227198080.

The previous prime is 51632433397. The next prime is 51632433511. The reversal of 51632433507 is 70533423615.

It is not a de Polignac number, because 51632433507 - 2⁷ = 51632433379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51632433007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2640523 + ... + 2660004.

It is an arithmetic number, because the mean of its divisors is an integer number (4579656192).

Almost surely, 2^51632433507 is an apocalyptic number.

51632433507 is a deficient number, since it is larger than the sum of its proper divisors (21642065565).

51632433507 is a wasteful number, since it uses less digits than its factorization.

51632433507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300738.

The product of its (nonzero) digits is 226800, while the sum is 39.

The spelling of 51632433507 in words is "fifty-one billion, six hundred thirty-two million, four hundred thirty-three thousand, five hundred seven".