9006550 has 24 divisors (see below), whose sum is σ = 19146096. Its totient is φ = 3087840.

The previous prime is 9006509. The next prime is 9006581. The reversal of 9006550 is 556009.

It is a happy number.

It is a super-2 number, since 2×9006550² = 162235885805000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 12517 + ... + 13216.

It is an arithmetic number, because the mean of its divisors is an integer number (797754).

Almost surely, 2^9006550 is an apocalyptic number.

9006550 is an abundant number, since it is smaller than the sum of its proper divisors (10139546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9006550 is a wasteful number, since it uses less digits than its factorization.

9006550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25752 (or 25747 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 9006550 is about 3001.0914681162. The cubic root of 9006550 is about 208.0588313613.

The spelling of 9006550 in words is "nine million, six thousand, five hundred fifty".