5544509 has 2 divisors, whose sum is σ = 5544510. Its totient is φ = 5544508.

The previous prime is 5544493. The next prime is 5544521. The reversal of 5544509 is 9054455.

It is a happy number.

5544509 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5508409 + 36100 = 2347^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 5544509 - 2⁴ = 5544493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5544529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2772254 + 2772255.

It is an arithmetic number, because the mean of its divisors is an integer number (2772255).

Almost surely, 2^5544509 is an apocalyptic number.

It is an amenable number.

5544509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5544509 is an equidigital number, since it uses as much as digits as its factorization.

5544509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 5544509 is about 2354.6781096362. The cubic root of 5544509 is about 176.9922964717.

The spelling of 5544509 in words is "five million, five hundred forty-four thousand, five hundred nine".