5503609 has 2 divisors, whose sum is σ = 5503610. Its totient is φ = 5503608.

The previous prime is 5503577. The next prime is 5503621. The reversal of 5503609 is 9063055.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4818025 + 685584 = 2195^2 + 828^2 .

It is a cyclic number.

It is not a de Polignac number, because 5503609 - 2⁵ = 5503577 is a prime.

5503609 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5503109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751804 + 2751805.

It is an arithmetic number, because the mean of its divisors is an integer number (2751805).

Almost surely, 2^5503609 is an apocalyptic number.

It is an amenable number.

5503609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5503609 is an equidigital number, since it uses as much as digits as its factorization.

5503609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 5503609 is about 2345.9771951151. The cubic root of 5503609 is about 176.5560174977.

The spelling of 5503609 in words is "five million, five hundred three thousand, six hundred nine".