505560117 has 4 divisors (see below), whose sum is σ = 674080160. Its totient is φ = 337040076.

The previous prime is 505560109. The next prime is 505560137. The reversal of 505560117 is 711065505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 505560117 - 2³ = 505560109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505560137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84260017 + ... + 84260022.

It is an arithmetic number, because the mean of its divisors is an integer number (168520040).

Almost surely, 2^505560117 is an apocalyptic number.

It is an amenable number.

505560117 is a deficient number, since it is larger than the sum of its proper divisors (168520043).

505560117 is a wasteful number, since it uses less digits than its factorization.

505560117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168520042.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 505560117 is about 22484.6640401853. The cubic root of 505560117 is about 796.6317326426.

The spelling of 505560117 in words is "five hundred five million, five hundred sixty thousand, one hundred seventeen".