8550050809 has 4 divisors (see below), whose sum is σ = 8557706404. Its totient is φ = 8542395216.

The previous prime is 8550050791. The next prime is 8550050827. The reversal of 8550050809 is 9080500558.

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

It is an interprime number because it is at equal distance from previous prime (8550050791) and next prime (8550050827).

It can be written as a sum of positive squares in 2 ways, for example, as 4989303225 + 3560747584 = 70635^2 + 59672^2 .

It is a cyclic number.

It is not a de Polignac number, because 8550050809 - 2²⁵ = 8516496377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8550050009) 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, 3826122 + ... + 3828355.

It is an arithmetic number, because the mean of its divisors is an integer number (2139426601).

Almost surely, 2^8550050809 is an apocalyptic number.

It is an amenable number.

8550050809 is a deficient number, since it is larger than the sum of its proper divisors (7655595).

8550050809 is a wasteful number, since it uses less digits than its factorization.

8550050809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7655594.

The product of its (nonzero) digits is 72000, while the sum is 40.

The square root of 8550050809 is about 92466.4847877327. The cubic root of 8550050809 is about 2044.8254033222.

The spelling of 8550050809 in words is "eight billion, five hundred fifty million, fifty thousand, eight hundred nine".