50851000008 has 48 divisors (see below), whose sum is σ = 137869886700. Its totient is φ = 16932065280.

The previous prime is 50850999973. The next prime is 50851000051. The reversal of 50851000008 is 80000015805.

It can be written as a sum of positive squares in 2 ways, for example, as 50822291844 + 28708164 = 225438^2 + 5358^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313233 + ... + 447008.

Almost surely, 2^50851000008 is an apocalyptic number.

It is an amenable number.

50851000008 is an abundant number, since it is smaller than the sum of its proper divisors (87018886692).

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

50851000008 is a wasteful number, since it uses less digits than its factorization.

50851000008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761182 (or 761175 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The spelling of 50851000008 in words is "fifty billion, eight hundred fifty-one million, eight", and thus it is an aban number.