50554999986 has 8 divisors (see below), whose sum is σ = 101109999984. Its totient is φ = 16851666660.

The previous prime is 50554999973. The next prime is 50554999991. The reversal of 50554999986 is 68999945505.

It is a sphenic number, since it is the product of 3 distinct primes.

50554999986 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50554999986.

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, 4212916660 + ... + 4212916671.

It is an arithmetic number, because the mean of its divisors is an integer number (12638749998).

Almost surely, 2^50554999986 is an apocalyptic number.

50554999986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

50554999986 is a wasteful number, since it uses less digits than its factorization.

50554999986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8425833336.

The product of its (nonzero) digits is 157464000, while the sum is 69.

The spelling of 50554999986 in words is "fifty billion, five hundred fifty-four million, nine hundred ninety-nine thousand, nine hundred eighty-six".