5581449 has 6 divisors (see below), whose sum is σ = 8062106. Its totient is φ = 3720960.

The previous prime is 5581447. The next prime is 5581451. The reversal of 5581449 is 9441855.

It is an interprime number because it is at equal distance from previous prime (5581447) and next prime (5581451).

It can be written as a sum of positive squares in only one way, i.e., 4665600 + 915849 = 2160^2 + 957^2 .

It is not a de Polignac number, because 5581449 - 2¹ = 5581447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5581447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310072 + ... + 310089.

Almost surely, 2^5581449 is an apocalyptic number.

It is an amenable number.

5581449 is a deficient number, since it is larger than the sum of its proper divisors (2480657).

5581449 is a wasteful number, since it uses less digits than its factorization.

5581449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620167 (or 620164 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 5581449 is about 2362.5090476017. The cubic root of 5581449 is about 177.3844940515.

The spelling of 5581449 in words is "five million, five hundred eighty-one thousand, four hundred forty-nine".