50555500065 has 48 divisors (see below), whose sum is σ = 106039110528. Its totient is φ = 21751607808.

The previous prime is 50555500033. The next prime is 50555500169. The reversal of 50555500065 is 56000555505.

50555500065 is a `hidden beast` number, since 50 + 55 + 550 + 0 + 0 + 6 + 5 = 666.

It is not a de Polignac number, because 50555500065 - 2⁵ = 50555500033 is a prime.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 4715047 + ... + 4725756.

It is an arithmetic number, because the mean of its divisors is an integer number (2209148136).

Almost surely, 2^50555500065 is an apocalyptic number.

It is an amenable number.

50555500065 is an abundant number, since it is smaller than the sum of its proper divisors (55483610463).

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

50555500065 is a wasteful number, since it uses less digits than its factorization.

50555500065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9440838 (or 9440835 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 50555500065 in words is "fifty billion, five hundred fifty-five million, five hundred thousand, sixty-five".