50556105999 has 96 divisors (see below), whose sum is σ = 87193387008. Its totient is φ = 27621000000.

The previous prime is 50556105989. The next prime is 50556106021. The reversal of 50556105999 is 99950165505.

It is not a de Polignac number, because 50556105999 - 2⁵ = 50556105967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50556105959) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 74020312 + ... + 74020994.

It is an arithmetic number, because the mean of its divisors is an integer number (908264448).

Almost surely, 2^50556105999 is an apocalyptic number.

50556105999 is a deficient number, since it is larger than the sum of its proper divisors (36637281009).

50556105999 is a wasteful number, since it uses less digits than its factorization.

50556105999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 2733750, while the sum is 54.

The spelling of 50556105999 in words is "fifty billion, five hundred fifty-six million, one hundred five thousand, nine hundred ninety-nine".