8505550505 has 32 divisors (see below), whose sum is σ = 10919059200. Its totient is φ = 6349254912.

The previous prime is 8505550453. The next prime is 8505550511. The reversal of 8505550505 is 5050555058.

It is a cyclic number.

It is not a de Polignac number, because 8505550505 - 2¹² = 8505546409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506636 + ... + 523154.

It is an arithmetic number, because the mean of its divisors is an integer number (341220600).

Almost surely, 2^8505550505 is an apocalyptic number.

It is an amenable number.

8505550505 is a deficient number, since it is larger than the sum of its proper divisors (2413508695).

8505550505 is a wasteful number, since it uses less digits than its factorization.

8505550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16673.

The product of its (nonzero) digits is 125000, while the sum is 38.

The square root of 8505550505 is about 92225.5415001723. The cubic root of 8505550505 is about 2041.2716748321.

The spelling of 8505550505 in words is "eight billion, five hundred five million, five hundred fifty thousand, five hundred five".