8550109 has 2 divisors, whose sum is σ = 8550110. Its totient is φ = 8550108.

The previous prime is 8550107. The next prime is 8550161. The reversal of 8550109 is 9010558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6528025 + 2022084 = 2555^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 8550109 - 2¹ = 8550107 is a prime.

Together with 8550107, it forms a pair of twin primes.

It is a Chen prime.

8550109 is a lucky number.

It is equal to p₅₇₄₂₈₂ and since 8550109 and 574282 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8550107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4275054 + 4275055.

It is an arithmetic number, because the mean of its divisors is an integer number (4275055).

Almost surely, 2^8550109 is an apocalyptic number.

It is an amenable number.

8550109 is a deficient number, since it is larger than the sum of its proper divisors (1).

8550109 is an equidigital number, since it uses as much as digits as its factorization.

8550109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 8550109 is about 2924.0569419900. The cubic root of 8550109 is about 204.4830042287.

The spelling of 8550109 in words is "eight million, five hundred fifty thousand, one hundred nine".