51086707952 has 40 divisors (see below), whose sum is σ = 113139708000. Its totient is φ = 21890598912.

The previous prime is 51086707927. The next prime is 51086707967. The reversal of 51086707952 is 25970768015.

It is a self number, because there is not a number n which added to its sum of digits gives 51086707952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686924 + ... + 757652.

It is an arithmetic number, because the mean of its divisors is an integer number (2828492700).

Almost surely, 2^51086707952 is an apocalyptic number.

It is an amenable number.

51086707952 is an abundant number, since it is smaller than the sum of its proper divisors (62053000048).

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

51086707952 is a wasteful number, since it uses less digits than its factorization.

51086707952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77193 (or 77187 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 51086707952 in words is "fifty-one billion, eighty-six million, seven hundred seven thousand, nine hundred fifty-two".