50509681960 has 32 divisors (see below), whose sum is σ = 113830437600. Its totient is φ = 20171223360.

The previous prime is 50509681939. The next prime is 50509681979. The reversal of 50509681960 is 6918690505.

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, 995226 + ... + 1044745.

It is an arithmetic number, because the mean of its divisors is an integer number (3557201175).

Almost surely, 2^50509681960 is an apocalyptic number.

It is an amenable number.

50509681960 is an abundant number, since it is smaller than the sum of its proper divisors (63320755640).

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

50509681960 is a wasteful number, since it uses less digits than its factorization.

50509681960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040601 (or 2040597 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 50509681960 in words is "fifty billion, five hundred nine million, six hundred eighty-one thousand, nine hundred sixty".