5509001 has 2 divisors, whose sum is σ = 5509002. Its totient is φ = 5509000.

The previous prime is 5508991. The next prime is 5509027. The reversal of 5509001 is 1009055.

5509001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5017600 + 491401 = 2240^2 + 701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5509001 is a prime.

It is not a weakly prime, because it can be changed into another prime (5509051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2754500 + 2754501.

It is an arithmetic number, because the mean of its divisors is an integer number (2754501).

Almost surely, 2^5509001 is an apocalyptic number.

It is an amenable number.

5509001 is a deficient number, since it is larger than the sum of its proper divisors (1).

5509001 is an equidigital number, since it uses as much as digits as its factorization.

5509001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 5509001 is about 2347.1261150607. The cubic root of 5509001 is about 176.6136572101.

The spelling of 5509001 in words is "five million, five hundred nine thousand, one".