5489581 has 4 divisors (see below), whose sum is σ = 5593212. Its totient is φ = 5385952.

The previous prime is 5489569. The next prime is 5489593. The reversal of 5489581 is 1859845.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5489569) and next prime (5489593).

It can be written as a sum of positive squares in 2 ways, for example, as 4368100 + 1121481 = 2090^2 + 1059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5489581 is a prime.

It is a super-2 number, since 2×5489581² = 60270999111122, which contains 22 as substring.

It is a Duffinian number.

5489581 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5489501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51736 + ... + 51841.

It is an arithmetic number, because the mean of its divisors is an integer number (1398303).

Almost surely, 2^5489581 is an apocalyptic number.

It is an amenable number.

5489581 is a deficient number, since it is larger than the sum of its proper divisors (103631).

5489581 is a wasteful number, since it uses less digits than its factorization.

5489581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103630.

The product of its digits is 57600, while the sum is 40.

The square root of 5489581 is about 2342.9854886448. The cubic root of 5489581 is about 176.4058835833.

The spelling of 5489581 in words is "five million, four hundred eighty-nine thousand, five hundred eighty-one".