50380139 has 2 divisors, whose sum is σ = 50380140. Its totient is φ = 50380138.

The previous prime is 50380123. The next prime is 50380207. The reversal of 50380139 is 93108305.

50380139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50380139 - 2⁴ = 50380123 is a prime.

It is not a weakly prime, because it can be changed into another prime (50380339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25190069 + 25190070.

It is an arithmetic number, because the mean of its divisors is an integer number (25190070).

Almost surely, 2^50380139 is an apocalyptic number.

50380139 is a deficient number, since it is larger than the sum of its proper divisors (1).

50380139 is an equidigital number, since it uses as much as digits as its factorization.

50380139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 50380139 is about 7097.8968011658. The cubic root of 50380139 is about 369.3344231144.

The spelling of 50380139 in words is "fifty million, three hundred eighty thousand, one hundred thirty-nine".