8509055 has 16 divisors (see below), whose sum is σ = 11003520. Its totient is φ = 6295968.

The previous prime is 8509049. The next prime is 8509063. The reversal of 8509055 is 5509058.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8509055 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3044 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (687720).

Almost surely, 2^8509055 is an apocalyptic number.

8509055 is a deficient number, since it is larger than the sum of its proper divisors (2494465).

8509055 is a wasteful number, since it uses less digits than its factorization.

8509055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 8509055 is about 2917.0284537522. The cubic root of 8509055 is about 204.1551987635.

The spelling of 8509055 in words is "eight million, five hundred nine thousand, fifty-five".