5500209 has 16 divisors (see below), whose sum is σ = 8616384. Its totient is φ = 3076800.

The previous prime is 5500193. The next prime is 5500211. The reversal of 5500209 is 9020055.

It is not a de Polignac number, because 5500209 - 2⁴ = 5500193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5500279) 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 in 15 ways as a sum of consecutive naturals, for example, 5982 + ... + 6839.

It is an arithmetic number, because the mean of its divisors is an integer number (538524).

Almost surely, 2^5500209 is an apocalyptic number.

It is an amenable number.

5500209 is a deficient number, since it is larger than the sum of its proper divisors (3116175).

5500209 is a wasteful number, since it uses less digits than its factorization.

5500209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12848.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 5500209 is about 2345.2524384381. The cubic root of 5500209 is about 176.5196526253.

The spelling of 5500209 in words is "five million, five hundred thousand, two hundred nine".