5544821 has 2 divisors, whose sum is σ = 5544822. Its totient is φ = 5544820.

The previous prime is 5544809. The next prime is 5544859. The reversal of 5544821 is 1284455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5499025 + 45796 = 2345^2 + 214^2 .

It is a cyclic number.

It is not a de Polignac number, because 5544821 - 2⁶ = 5544757 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5544221) 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 as a sum of consecutive naturals, namely, 2772410 + 2772411.

It is an arithmetic number, because the mean of its divisors is an integer number (2772411).

Almost surely, 2^5544821 is an apocalyptic number.

It is an amenable number.

5544821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5544821 is an equidigital number, since it uses as much as digits as its factorization.

5544821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6400, while the sum is 29.

The square root of 5544821 is about 2354.7443597979. The cubic root of 5544821 is about 176.9956163065.

The spelling of 5544821 in words is "five million, five hundred forty-four thousand, eight hundred twenty-one".