50150805997 has 2 divisors, whose sum is σ = 50150805998. Its totient is φ = 50150805996.

The previous prime is 50150805989. The next prime is 50150806001. The reversal of 50150805997 is 79950805105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48180689001 + 1970116996 = 219501^2 + 44386^2 .

It is a cyclic number.

It is not a de Polignac number, because 50150805997 - 2³ = 50150805989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50150805997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50150805917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25075402998 + 25075402999.

It is an arithmetic number, because the mean of its divisors is an integer number (25075402999).

Almost surely, 2^50150805997 is an apocalyptic number.

It is an amenable number.

50150805997 is a deficient number, since it is larger than the sum of its proper divisors (1).

50150805997 is an equidigital number, since it uses as much as digits as its factorization.

50150805997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567000, while the sum is 49.

The spelling of 50150805997 in words is "fifty billion, one hundred fifty million, eight hundred five thousand, nine hundred ninety-seven".