50555433390131 has 2 divisors, whose sum is σ = 50555433390132. Its totient is φ = 50555433390130.

The previous prime is 50555433390127. The next prime is 50555433390181. The reversal of 50555433390131 is 13109333455505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50555433390131 - 2² = 50555433390127 is a prime.

It is a super-2 number, since 2×50555433390131² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (50555433390101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277716695065 + 25277716695066.

It is an arithmetic number, because the mean of its divisors is an integer number (25277716695066).

Almost surely, 2^{50555433390131} is an apocalyptic number.

50555433390131 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555433390131 is an equidigital number, since it uses as much as digits as its factorization.

50555433390131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1822500, while the sum is 47.

The spelling of 50555433390131 in words is "fifty trillion, five hundred fifty-five billion, four hundred thirty-three million, three hundred ninety thousand, one hundred thirty-one".