51039914632 has 32 divisors (see below), whose sum is σ = 111164224320. Its totient is φ = 21515653440.

The previous prime is 51039914599. The next prime is 51039914669. The reversal of 51039914632 is 23641993015.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7467298 + ... + 7474129.

It is an arithmetic number, because the mean of its divisors is an integer number (3473882010).

Almost surely, 2^51039914632 is an apocalyptic number.

It is an amenable number.

51039914632 is an abundant number, since it is smaller than the sum of its proper divisors (60124309688).

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

51039914632 is a wasteful number, since it uses less digits than its factorization.

51039914632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14941501 (or 14941497 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 51039914632 in words is "fifty-one billion, thirty-nine million, nine hundred fourteen thousand, six hundred thirty-two".