50676208139 has 4 divisors (see below), whose sum is σ = 52045835424. Its totient is φ = 49306580856.

The previous prime is 50676208087. The next prime is 50676208151. The reversal of 50676208139 is 93180267605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93180267605 = 5 ⋅18636053521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50676208139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50676208093 and 50676208102.

It is not an unprimeable number, because it can be changed into a prime (50676208189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684813587 + ... + 684813660.

It is an arithmetic number, because the mean of its divisors is an integer number (13011458856).

Almost surely, 2^50676208139 is an apocalyptic number.

50676208139 is a deficient number, since it is larger than the sum of its proper divisors (1369627285).

50676208139 is a wasteful number, since it uses less digits than its factorization.

50676208139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369627284.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 50676208139 in words is "fifty billion, six hundred seventy-six million, two hundred eight thousand, one hundred thirty-nine".