5664549 has 8 divisors (see below), whose sum is σ = 8239392. Its totient is φ = 3433040.

The previous prime is 5664523. The next prime is 5664563. The reversal of 5664549 is 9454665.

5664549 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5664549 - 2¹⁵ = 5631781 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5663549) 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 7 ways as a sum of consecutive naturals, for example, 85794 + ... + 85859.

It is an arithmetic number, because the mean of its divisors is an integer number (1029924).

Almost surely, 2^5664549 is an apocalyptic number.

It is an amenable number.

5664549 is a deficient number, since it is larger than the sum of its proper divisors (2574843).

5664549 is a wasteful number, since it uses less digits than its factorization.

5664549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171667.

The product of its digits is 129600, while the sum is 39.

The square root of 5664549 is about 2380.0313023152. The cubic root of 5664549 is about 178.2604968420.

It can be divided in two parts, 566 and 4549, that added together give a palindrome (5115).

The spelling of 5664549 in words is "five million, six hundred sixty-four thousand, five hundred forty-nine".