5504581 has 2 divisors, whose sum is σ = 5504582. Its totient is φ = 5504580.

The previous prime is 5504563. The next prime is 5504647. The reversal of 5504581 is 1854055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4553956 + 950625 = 2134^2 + 975^2 .

It is a cyclic number.

It is not a de Polignac number, because 5504581 - 2¹⁵ = 5471813 is a prime.

It is a super-2 number, since 2×5504581² = 60600823971122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5504501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752290 + 2752291.

It is an arithmetic number, because the mean of its divisors is an integer number (2752291).

Almost surely, 2^5504581 is an apocalyptic number.

It is an amenable number.

5504581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5504581 is an equidigital number, since it uses as much as digits as its factorization.

5504581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 5504581 is about 2346.1843491081. The cubic root of 5504581 is about 176.5664108200.

The spelling of 5504581 in words is "five million, five hundred four thousand, five hundred eighty-one".