4555509 has 16 divisors (see below), whose sum is σ = 7074432. Its totient is φ = 2553408.

The previous prime is 4555501. The next prime is 4555511. The reversal of 4555509 is 9055554.

It is not a de Polignac number, because 4555509 - 2³ = 4555501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4555509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4555501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (442152).

Almost surely, 2^4555509 is an apocalyptic number.

It is an amenable number.

4555509 is a deficient number, since it is larger than the sum of its proper divisors (2518923).

4555509 is a wasteful number, since it uses less digits than its factorization.

4555509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 4555509 is about 2134.3638396487. The cubic root of 4555509 is about 165.7724297340.

The spelling of 4555509 in words is "four million, five hundred fifty-five thousand, five hundred nine".