50455356439 has 2 divisors, whose sum is σ = 50455356440. Its totient is φ = 50455356438.

The previous prime is 50455356403. The next prime is 50455356443. The reversal of 50455356439 is 93465355405.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50455356439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50455356392 and 50455356401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50455056439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25227678219 + 25227678220.

It is an arithmetic number, because the mean of its divisors is an integer number (25227678220).

Almost surely, 2^50455356439 is an apocalyptic number.

50455356439 is a deficient number, since it is larger than the sum of its proper divisors (1).

50455356439 is an equidigital number, since it uses as much as digits as its factorization.

50455356439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860000, while the sum is 49.

The spelling of 50455356439 in words is "fifty billion, four hundred fifty-five million, three hundred fifty-six thousand, four hundred thirty-nine".