50520555839 has 16 divisors (see below), whose sum is σ = 55797813120. Its totient is φ = 45444637440.

The previous prime is 50520555803. The next prime is 50520555859. The reversal of 50520555839 is 93855502505.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50520555839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50520555793 and 50520555802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50520555859) 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 15 ways as a sum of consecutive naturals, for example, 413402 + ... + 521480.

It is an arithmetic number, because the mean of its divisors is an integer number (3487363320).

Almost surely, 2^50520555839 is an apocalyptic number.

50520555839 is a deficient number, since it is larger than the sum of its proper divisors (5277257281).

50520555839 is a wasteful number, since it uses less digits than its factorization.

50520555839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109010.

The product of its (nonzero) digits is 1350000, while the sum is 47.

The spelling of 50520555839 in words is "fifty billion, five hundred twenty million, five hundred fifty-five thousand, eight hundred thirty-nine".