5564321 has 32 divisors (see below), whose sum is σ = 7464960. Its totient is φ = 4029696.

The previous prime is 5564297. The next prime is 5564323. The reversal of 5564321 is 1234655.

5564321 = T₁ + T₂ + ... + T₃₂₁.

5564321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

5564321 is a nontrivial binomial coefficient, being equal to C(323, 3).

It is a cyclic number.

It is not a de Polignac number, because 5564321 - 2¹⁸ = 5302177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5564323) by changing a digit.

It is the 321-st tetrahedral number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51950 + ... + 52056.

It is an arithmetic number, because the mean of its divisors is an integer number (233280).

Almost surely, 2^5564321 is an apocalyptic number.

It is an amenable number.

5564321 is a deficient number, since it is larger than the sum of its proper divisors (1900639).

5564321 is a wasteful number, since it uses less digits than its factorization.

5564321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173.

The product of its digits is 3600, while the sum is 26.

The square root of 5564321 is about 2358.8813026517. The cubic root of 5564321 is about 177.2028593315.

Adding to 5564321 its reverse (1234655), we get a palindrome (6798976).

It can be divided in two parts, 5564 and 321, that added together give a palindrome (5885).

The spelling of 5564321 in words is "five million, five hundred sixty-four thousand, three hundred twenty-one".