50055555505505 has 24 divisors (see below), whose sum is σ = 66280593122856. Its totient is φ = 36262390292480.

The previous prime is 50055555505493. The next prime is 50055555505507. The reversal of 50055555505505 is 50550555555005.

It can be written as a sum of positive squares in 4 ways, for example, as 23736695809024 + 26318859696481 = 4872032^2 + 5130191^2 .

It is not a de Polignac number, because 50055555505505 - 2⁴⁰ = 48956043877729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50055555505507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160810382 + ... + 161121351.

It is an arithmetic number, because the mean of its divisors is an integer number (2761691380119).

Almost surely, 2^{50055555505505} is an apocalyptic number.

50055555505505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50055555505505 is a deficient number, since it is larger than the sum of its proper divisors (16225037617351).

50055555505505 is a wasteful number, since it uses less digits than its factorization.

50055555505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321932017 (or 321932006 counting only the distinct ones).

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 50055555505505 in words is "fifty trillion, fifty-five billion, five hundred fifty-five million, five hundred five thousand, five hundred five".