50515665000 has 80 divisors (see below), whose sum is σ = 157810984320. Its totient is φ = 13470840000.

The previous prime is 50515664987. The next prime is 50515665017. The reversal of 50515665000 is 56651505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1668856 + ... + 1698855.

It is an arithmetic number, because the mean of its divisors is an integer number (1972637304).

Almost surely, 2^50515665000 is an apocalyptic number.

50515665000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50515665000 is an abundant number, since it is smaller than the sum of its proper divisors (107295319320).

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

50515665000 is a wasteful number, since it uses less digits than its factorization.

50515665000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367740 (or 3367721 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 50515665000 in words is "fifty billion, five hundred fifteen million, six hundred sixty-five thousand".