50405562371 has 2 divisors, whose sum is σ = 50405562372. Its totient is φ = 50405562370.

The previous prime is 50405562359. The next prime is 50405562379. The reversal of 50405562371 is 17326550405.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50405562371 - 2⁶ = 50405562307 is a prime.

It is a super-2 number, since 2×50405562371² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50405562379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25202781185 + 25202781186.

It is an arithmetic number, because the mean of its divisors is an integer number (25202781186).

Almost surely, 2^50405562371 is an apocalyptic number.

50405562371 is a deficient number, since it is larger than the sum of its proper divisors (1).

50405562371 is an equidigital number, since it uses as much as digits as its factorization.

50405562371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 50405562371 in words is "fifty billion, four hundred five million, five hundred sixty-two thousand, three hundred seventy-one".