500005505305 has 4 divisors (see below), whose sum is σ = 600006606372. Its totient is φ = 400004404240.

The previous prime is 500005505303. The next prime is 500005505327. The reversal of 500005505305 is 503505500005.

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 99444361104 + 400561144201 = 315348^2 + 632899^2 .

It is not a de Polignac number, because 500005505305 - 2¹ = 500005505303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500005505303) 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, 50000550526 + ... + 50000550535.

It is an arithmetic number, because the mean of its divisors is an integer number (150001651593).

Almost surely, 2^500005505305 is an apocalyptic number.

It is an amenable number.

500005505305 is a deficient number, since it is larger than the sum of its proper divisors (100001101067).

500005505305 is a wasteful number, since it uses less digits than its factorization.

500005505305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100001101066.

The product of its (nonzero) digits is 9375, while the sum is 28.

The spelling of 500005505305 in words is "five hundred billion, five million, five hundred five thousand, three hundred five".