5544664456 has 8 divisors (see below), whose sum is σ = 10396245870. Its totient is φ = 2772332224.

The previous prime is 5544664453. The next prime is 5544664457. The reversal of 5544664456 is 6544664455.

It can be written as a sum of positive squares in only one way, i.e., 4010688900 + 1533975556 = 63330^2 + 39166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (5544664453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346541521 + ... + 346541536.

Almost surely, 2^5544664456 is an apocalyptic number.

It is an amenable number.

5544664456 is a deficient number, since it is larger than the sum of its proper divisors (4851581414).

5544664456 is a wasteful number, since it uses less digits than its factorization.

5544664456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693083063 (or 693083059 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 49.

The square root of 5544664456 is about 74462.5036914553. The cubic root of 5544664456 is about 1769.9395061624.

Subtracting 5544664456 from its reverse (6544664455), we obtain a palindrome (999999999).

The spelling of 5544664456 in words is "five billion, five hundred forty-four million, six hundred sixty-four thousand, four hundred fifty-six".