5503409 has 2 divisors, whose sum is σ = 5503410. Its totient is φ = 5503408.

The previous prime is 5503403. The next prime is 5503411. The reversal of 5503409 is 9043055.

5503409 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., 5017600 + 485809 = 2240^2 + 697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5503409 is a prime.

Together with 5503411, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5503403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751704 + 2751705.

It is an arithmetic number, because the mean of its divisors is an integer number (2751705).

Almost surely, 2^5503409 is an apocalyptic number.

It is an amenable number.

5503409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5503409 is an equidigital number, since it uses as much as digits as its factorization.

5503409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 5503409 is about 2345.9345685675. The cubic root of 5503409 is about 176.5538788022.

The spelling of 5503409 in words is "five million, five hundred three thousand, four hundred nine".