50305500643 has 2 divisors, whose sum is σ = 50305500644. Its totient is φ = 50305500642.

The previous prime is 50305500629. The next prime is 50305500659. The reversal of 50305500643 is 34600550305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50305500643 - 2²⁹ = 49768629731 is a prime.

It is not a weakly prime, because it can be changed into another prime (50305500143) 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, 25152750321 + 25152750322.

It is an arithmetic number, because the mean of its divisors is an integer number (25152750322).

Almost surely, 2^50305500643 is an apocalyptic number.

50305500643 is a deficient number, since it is larger than the sum of its proper divisors (1).

50305500643 is an equidigital number, since it uses as much as digits as its factorization.

50305500643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 50305500643 in words is "fifty billion, three hundred five million, five hundred thousand, six hundred forty-three".