50505050055505 has 4 divisors (see below), whose sum is σ = 60606060066612. Its totient is φ = 40404040044400.

The previous prime is 50505050055497. The next prime is 50505050055527. The reversal of 50505050055505 is 50555005050505.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31439985336769 + 19065064718736 = 5607137^2 + 4366356^2 .

It is not a de Polignac number, because 50505050055505 - 2³ = 50505050055497 is a prime.

It is a super-2 number, since 2×50505050055505² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050505005546 + ... + 5050505005555.

It is an arithmetic number, because the mean of its divisors is an integer number (15151515016653).

Almost surely, 2^{50505050055505} is an apocalyptic number.

It is an amenable number.

50505050055505 is a deficient number, since it is larger than the sum of its proper divisors (10101010011107).

50505050055505 is a wasteful number, since it uses less digits than its factorization.

50505050055505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101010011106.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 50505050055505 in words is "fifty trillion, five hundred five billion, fifty million, fifty-five thousand, five hundred five".