50139111 has 16 divisors (see below), whose sum is σ = 73202688. Its totient is φ = 30273600.

The previous prime is 50139041. The next prime is 50139143. The reversal of 50139111 is 11193105.

It is not a de Polignac number, because 50139111 - 2¹⁰ = 50138087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50139191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6570 + ... + 11976.

It is an arithmetic number, because the mean of its divisors is an integer number (4575168).

Almost surely, 2^50139111 is an apocalyptic number.

50139111 is a deficient number, since it is larger than the sum of its proper divisors (23063577).

50139111 is a wasteful number, since it uses less digits than its factorization.

50139111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702.

The product of its (nonzero) digits is 135, while the sum is 21.

The square root of 50139111 is about 7080.8976125912. The cubic root of 50139111 is about 368.7444930328.

The spelling of 50139111 in words is "fifty million, one hundred thirty-nine thousand, one hundred eleven".