51907039752 has 16 divisors (see below), whose sum is σ = 129767599440. Its totient is φ = 17302346576.

The previous prime is 51907039741. The next prime is 51907039771. The reversal of 51907039752 is 25793070915.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081396638 + ... + 1081396685.

It is an arithmetic number, because the mean of its divisors is an integer number (8110474965).

Almost surely, 2^51907039752 is an apocalyptic number.

It is an amenable number.

51907039752 is an abundant number, since it is smaller than the sum of its proper divisors (77860559688).

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

51907039752 is a wasteful number, since it uses less digits than its factorization.

51907039752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162793332 (or 2162793328 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 48.

The spelling of 51907039752 in words is "fifty-one billion, nine hundred seven million, thirty-nine thousand, seven hundred fifty-two".