5456321 has 16 divisors (see below), whose sum is σ = 6244560. Its totient is φ = 4730880.

The previous prime is 5456317. The next prime is 5456327. The reversal of 5456321 is 1236545.

It can be written as a sum of positive squares in 8 ways, for example, as 1311025 + 4145296 = 1145^2 + 2036^2 .

It is a cyclic number.

It is not a de Polignac number, because 5456321 - 2² = 5456317 is a prime.

It is a super-4 number, since 4×5456321⁴ (a number of 28 digits) contains 4444 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (5456327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15281 + ... + 15633.

It is an arithmetic number, because the mean of its divisors is an integer number (390285).

Almost surely, 2^5456321 is an apocalyptic number.

It is an amenable number.

5456321 is a deficient number, since it is larger than the sum of its proper divisors (788239).

5456321 is a wasteful number, since it uses less digits than its factorization.

5456321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436.

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

The square root of 5456321 is about 2335.8769231276. The cubic root of 5456321 is about 176.0488952476.

The spelling of 5456321 in words is "five million, four hundred fifty-six thousand, three hundred twenty-one".