50505550013 has 2 divisors, whose sum is σ = 50505550014. Its totient is φ = 50505550012.

The previous prime is 50505549967. The next prime is 50505550133. The reversal of 50505550013 is 31005550505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29158294564 + 21347255449 = 170758^2 + 146107^2 .

It is a cyclic number.

It is not a de Polignac number, because 50505550013 - 2⁶ = 50505549949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50505250013) 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, 25252775006 + 25252775007.

It is an arithmetic number, because the mean of its divisors is an integer number (25252775007).

Almost surely, 2^50505550013 is an apocalyptic number.

It is an amenable number.

50505550013 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505550013 is an equidigital number, since it uses as much as digits as its factorization.

50505550013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9375, while the sum is 29.

The spelling of 50505550013 in words is "fifty billion, five hundred five million, five hundred fifty thousand, thirteen".