50631613559 has 2 divisors, whose sum is σ = 50631613560. Its totient is φ = 50631613558.

The previous prime is 50631613537. The next prime is 50631613609. The reversal of 50631613559 is 95531613605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50631613559 - 2¹² = 50631609463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50631613159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25315806779 + 25315806780.

It is an arithmetic number, because the mean of its divisors is an integer number (25315806780).

Almost surely, 2^50631613559 is an apocalyptic number.

50631613559 is a deficient number, since it is larger than the sum of its proper divisors (1).

50631613559 is an equidigital number, since it uses as much as digits as its factorization.

50631613559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 364500, while the sum is 44.

The spelling of 50631613559 in words is "fifty billion, six hundred thirty-one million, six hundred thirteen thousand, five hundred fifty-nine".