50605060991 has 2 divisors, whose sum is σ = 50605060992. Its totient is φ = 50605060990.

The previous prime is 50605060967. The next prime is 50605061009. The reversal of 50605060991 is 19906050605.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50605060991 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50605060091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25302530495 + 25302530496.

It is an arithmetic number, because the mean of its divisors is an integer number (25302530496).

Almost surely, 2^50605060991 is an apocalyptic number.

50605060991 is a deficient number, since it is larger than the sum of its proper divisors (1).

50605060991 is an equidigital number, since it uses as much as digits as its factorization.

50605060991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 41.

The spelling of 50605060991 in words is "fifty billion, six hundred five million, sixty thousand, nine hundred ninety-one".