50011139 has 2 divisors, whose sum is σ = 50011140. Its totient is φ = 50011138.

The previous prime is 50011111. The next prime is 50011141. The reversal of 50011139 is 93111005.

50011139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50011139 - 2¹⁶ = 49945603 is a prime.

It is a super-3 number, since 3×50011139³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 50011141, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50011139.

It is not a weakly prime, because it can be changed into another prime (50011189) 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, 25005569 + 25005570.

It is an arithmetic number, because the mean of its divisors is an integer number (25005570).

Almost surely, 2^50011139 is an apocalyptic number.

50011139 is a deficient number, since it is larger than the sum of its proper divisors (1).

50011139 is an equidigital number, since it uses as much as digits as its factorization.

50011139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 50011139 is about 7071.8554142460. The cubic root of 50011139 is about 368.4305054506.

The spelling of 50011139 in words is "fifty million, eleven thousand, one hundred thirty-nine".