50816039139 has 12 divisors (see below), whose sum is σ = 75768718272. Its totient is φ = 32784541200.

The previous prime is 50816039137. The next prime is 50816039171. The reversal of 50816039139 is 93193061805.

50816039139 is a `hidden beast` number, since 5 + 0 + 8 + 1 + 603 + 9 + 1 + 39 = 666.

It is not a de Polignac number, because 50816039139 - 2¹ = 50816039137 is a prime.

It is a super-2 number, since 2×50816039139² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50816039094 and 50816039103.

It is not an unprimeable number, because it can be changed into a prime (50816039137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91067892 + ... + 91068449.

It is an arithmetic number, because the mean of its divisors is an integer number (6314059856).

Almost surely, 2^50816039139 is an apocalyptic number.

50816039139 is a deficient number, since it is larger than the sum of its proper divisors (24952679133).

50816039139 is a wasteful number, since it uses less digits than its factorization.

50816039139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182136378 (or 182136375 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 50816039139 in words is "fifty billion, eight hundred sixteen million, thirty-nine thousand, one hundred thirty-nine".