4553909 has 4 divisors (see below), whose sum is σ = 4821804. Its totient is φ = 4286016.

The previous prime is 4553903. The next prime is 4553917. The reversal of 4553909 is 9093554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1697809 + 2856100 = 1303^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 4553909 - 2¹⁶ = 4488373 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 (4553903) 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 3 ways as a sum of consecutive naturals, for example, 133922 + ... + 133955.

It is an arithmetic number, because the mean of its divisors is an integer number (1205451).

Almost surely, 2^4553909 is an apocalyptic number.

It is an amenable number.

4553909 is a deficient number, since it is larger than the sum of its proper divisors (267895).

4553909 is a wasteful number, since it uses less digits than its factorization.

4553909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267894.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 4553909 is about 2133.9889877879. The cubic root of 4553909 is about 165.7530197591.

The spelling of 4553909 in words is "four million, five hundred fifty-three thousand, nine hundred nine".