5581744 has 80 divisors (see below), whose sum is σ = 13530880. Its totient is φ = 2177280.

The previous prime is 5581739. The next prime is 5581747. The reversal of 5581744 is 4471855.

5581744 = T₇₅₇ + T₇₅₈ + ... + T₇₇₅.

5581744 is nontrivially palindromic in base 11.

It is not an unprimeable number, because it can be changed into a prime (5581747) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 91474 + ... + 91534.

It is an arithmetic number, because the mean of its divisors is an integer number (169136).

Almost surely, 2^5581744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5581744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6765440).

5581744 is an abundant number, since it is smaller than the sum of its proper divisors (7949136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5581744 is a wasteful number, since it uses less digits than its factorization.

5581744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 132 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 5581744 is about 2362.5714804001. The cubic root of 5581744 is about 177.3876191362.

The spelling of 5581744 in words is "five million, five hundred eighty-one thousand, seven hundred forty-four".