50621760039 has 4 divisors (see below), whose sum is σ = 67495680056. Its totient is φ = 33747840024.

The previous prime is 50621760011. The next prime is 50621760083. The reversal of 50621760039 is 93006712605.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50621760039 - 2²⁴ = 50604982823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50621759979 and 50621760006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50621765039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8436960004 + ... + 8436960009.

It is an arithmetic number, because the mean of its divisors is an integer number (16873920014).

Almost surely, 2^50621760039 is an apocalyptic number.

50621760039 is a deficient number, since it is larger than the sum of its proper divisors (16873920017).

50621760039 is a wasteful number, since it uses less digits than its factorization.

50621760039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16873920016.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 50621760039 in words is "fifty billion, six hundred twenty-one million, seven hundred sixty thousand, thirty-nine".