5544413221 has 2 divisors, whose sum is σ = 5544413222. Its totient is φ = 5544413220.

The previous prime is 5544413117. The next prime is 5544413239. The reversal of 5544413221 is 1223144455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5478072196 + 66341025 = 74014^2 + 8145^2 .

It is a cyclic number.

It is not a de Polignac number, because 5544413221 - 2⁷ = 5544413093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5544413261) 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, 2772206610 + 2772206611.

It is an arithmetic number, because the mean of its divisors is an integer number (2772206611).

Almost surely, 2^5544413221 is an apocalyptic number.

It is an amenable number.

5544413221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5544413221 is an equidigital number, since it uses as much as digits as its factorization.

5544413221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 31.

The square root of 5544413221 is about 74460.8166823330. The cubic root of 5544413221 is about 1769.9127731069.

Adding to 5544413221 its reverse (1223144455), we get a palindrome (6767557676).

The spelling of 5544413221 in words is "five billion, five hundred forty-four million, four hundred thirteen thousand, two hundred twenty-one".