50977875491 has 2 divisors, whose sum is σ = 50977875492. Its totient is φ = 50977875490.

The previous prime is 50977875437. The next prime is 50977875523. The reversal of 50977875491 is 19457877905.

It is a happy number.

50977875491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50977875491 is a prime.

It is not a weakly prime, because it can be changed into another prime (50977874491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25488937745 + 25488937746.

It is an arithmetic number, because the mean of its divisors is an integer number (25488937746).

Almost surely, 2^50977875491 is an apocalyptic number.

50977875491 is a deficient number, since it is larger than the sum of its proper divisors (1).

50977875491 is an equidigital number, since it uses as much as digits as its factorization.

50977875491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22226400, while the sum is 62.

The spelling of 50977875491 in words is "fifty billion, nine hundred seventy-seven million, eight hundred seventy-five thousand, four hundred ninety-one".