5581432 has 16 divisors (see below), whose sum is σ = 10490400. Its totient is φ = 2784000.

The previous prime is 5581403. The next prime is 5581447. The reversal of 5581432 is 2341855.

It is a self number, because there is not a number n which added to its sum of digits gives 5581432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5544 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (655650).

Almost surely, 2^5581432 is an apocalyptic number.

It is an amenable number.

5581432 is a deficient number, since it is larger than the sum of its proper divisors (4908968).

5581432 is a wasteful number, since it uses less digits than its factorization.

5581432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686 (or 1682 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 5581432 is about 2362.5054497292. The cubic root of 5581432 is about 177.3843139585.

The spelling of 5581432 in words is "five million, five hundred eighty-one thousand, four hundred thirty-two".