50155003139 has 2 divisors, whose sum is σ = 50155003140. Its totient is φ = 50155003138.

The previous prime is 50155003111. The next prime is 50155003177. The reversal of 50155003139 is 93130055105.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50155003139 - 2¹² = 50154999043 is a prime.

It is not a weakly prime, because it can be changed into another prime (50155003109) 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, 25077501569 + 25077501570.

It is an arithmetic number, because the mean of its divisors is an integer number (25077501570).

Almost surely, 2^50155003139 is an apocalyptic number.

50155003139 is a deficient number, since it is larger than the sum of its proper divisors (1).

50155003139 is an equidigital number, since it uses as much as digits as its factorization.

50155003139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10125, while the sum is 32.

The spelling of 50155003139 in words is "fifty billion, one hundred fifty-five million, three thousand, one hundred thirty-nine".