50555220505 has 8 divisors (see below), whose sum is σ = 61810911432. Its totient is φ = 39681078528.

The previous prime is 50555220503. The next prime is 50555220509. The reversal of 50555220505 is 50502255505.

50555220505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7173412416 + 43381808089 = 84696^2 + 208283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50555220505 - 2¹ = 50555220503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50555220503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95386944 + ... + 95387473.

It is an arithmetic number, because the mean of its divisors is an integer number (7726363929).

Almost surely, 2^50555220505 is an apocalyptic number.

It is an amenable number.

50555220505 is a deficient number, since it is larger than the sum of its proper divisors (11255690927).

50555220505 is a wasteful number, since it uses less digits than its factorization.

50555220505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190774475.

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 50555220505 in words is "fifty billion, five hundred fifty-five million, two hundred twenty thousand, five hundred five".