50505603013 has 2 divisors, whose sum is σ = 50505603014. Its totient is φ = 50505603012.

The previous prime is 50505602941. The next prime is 50505603017. The reversal of 50505603013 is 31030650505.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41049596449 + 9456006564 = 202607^2 + 97242^2 .

It is a cyclic number.

It is not a de Polignac number, because 50505603013 - 2⁹ = 50505602501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50505603017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252801506 + 25252801507.

It is an arithmetic number, because the mean of its divisors is an integer number (25252801507).

Almost surely, 2^50505603013 is an apocalyptic number.

It is an amenable number.

50505603013 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505603013 is an equidigital number, since it uses as much as digits as its factorization.

50505603013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 28.

The spelling of 50505603013 in words is "fifty billion, five hundred five million, six hundred three thousand, thirteen".