50105555609 has 2 divisors, whose sum is σ = 50105555610. Its totient is φ = 50105555608.

The previous prime is 50105555593. The next prime is 50105555627. The reversal of 50105555609 is 90655550105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31988395609 + 18117160000 = 178853^2 + 134600^2 .

It is a cyclic number.

It is not a de Polignac number, because 50105555609 - 2⁴ = 50105555593 is a prime.

It is not a weakly prime, because it can be changed into another prime (50105555699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25052777804 + 25052777805.

It is an arithmetic number, because the mean of its divisors is an integer number (25052777805).

Almost surely, 2^50105555609 is an apocalyptic number.

It is an amenable number.

50105555609 is a deficient number, since it is larger than the sum of its proper divisors (1).

50105555609 is an equidigital number, since it uses as much as digits as its factorization.

50105555609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168750, while the sum is 41.

The spelling of 50105555609 in words is "fifty billion, one hundred five million, five hundred fifty-five thousand, six hundred nine".