51512542032 has 60 divisors (see below), whose sum is σ = 154800452256. Its totient is φ = 14717868480.

The previous prime is 51512541989. The next prime is 51512542057. The reversal of 51512542032 is 23024521515.

51512542032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10948444 + ... + 10953147.

Almost surely, 2^51512542032 is an apocalyptic number.

It is an amenable number.

51512542032 is an abundant number, since it is smaller than the sum of its proper divisors (103287910224).

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

51512542032 is a wasteful number, since it uses less digits than its factorization.

51512542032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21901616 (or 21901603 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 51512542032 in words is "fifty-one billion, five hundred twelve million, five hundred forty-two thousand, thirty-two".