8550149 has 4 divisors (see below), whose sum is σ = 8556000. Its totient is φ = 8544300.

The previous prime is 8550109. The next prime is 8550161. The reversal of 8550149 is 9410558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8550149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8550109) 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, 1352 + ... + 4350.

It is an arithmetic number, because the mean of its divisors is an integer number (2139000).

Almost surely, 2^8550149 is an apocalyptic number.

It is an amenable number.

8550149 is a deficient number, since it is larger than the sum of its proper divisors (5851).

8550149 is a wasteful number, since it uses less digits than its factorization.

8550149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 8550149 is about 2924.0637817941. The cubic root of 8550149 is about 204.4833231061.

The spelling of 8550149 in words is "eight million, five hundred fifty thousand, one hundred forty-nine".