50551333439 has 2 divisors, whose sum is σ = 50551333440. Its totient is φ = 50551333438.

The previous prime is 50551333279. The next prime is 50551333457. The reversal of 50551333439 is 93433315505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50551333439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50551333396 and 50551333405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50551333039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275666719 + 25275666720.

It is an arithmetic number, because the mean of its divisors is an integer number (25275666720).

Almost surely, 2^50551333439 is an apocalyptic number.

50551333439 is a deficient number, since it is larger than the sum of its proper divisors (1).

50551333439 is an equidigital number, since it uses as much as digits as its factorization.

50551333439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 364500, while the sum is 41.

The spelling of 50551333439 in words is "fifty billion, five hundred fifty-one million, three hundred thirty-three thousand, four hundred thirty-nine".