50549588809 has 2 divisors, whose sum is σ = 50549588810. Its totient is φ = 50549588808.

The previous prime is 50549588779. The next prime is 50549588891. The reversal of 50549588809 is 90888594505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40658689600 + 9890899209 = 201640^2 + 99453^2 .

It is a cyclic number.

It is not a de Polignac number, because 50549588809 - 2⁵ = 50549588777 is a prime.

It is not a weakly prime, because it can be changed into another prime (50549588909) 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 as a sum of consecutive naturals, namely, 25274794404 + 25274794405.

It is an arithmetic number, because the mean of its divisors is an integer number (25274794405).

Almost surely, 2^50549588809 is an apocalyptic number.

It is an amenable number.

50549588809 is a deficient number, since it is larger than the sum of its proper divisors (1).

50549588809 is an equidigital number, since it uses as much as digits as its factorization.

50549588809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736000, while the sum is 61.

The spelling of 50549588809 in words is "fifty billion, five hundred forty-nine million, five hundred eighty-eight thousand, eight hundred nine".