5444065551 has 16 divisors (see below), whose sum is σ = 7339069440. Its totient is φ = 3589440480.

The previous prime is 5444065537. The next prime is 5444065579. The reversal of 5444065551 is 1555604445.

It is not a de Polignac number, because 5444065551 - 2¹⁹ = 5443541263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444065351) 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, 71670 + ... + 126588.

It is an arithmetic number, because the mean of its divisors is an integer number (458691840).

Almost surely, 2^5444065551 is an apocalyptic number.

5444065551 is a deficient number, since it is larger than the sum of its proper divisors (1895003889).

5444065551 is a wasteful number, since it uses less digits than its factorization.

5444065551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55286.

The product of its (nonzero) digits is 240000, while the sum is 39.

The square root of 5444065551 is about 73783.9111934302. The cubic root of 5444065551 is about 1759.1698856295.

Adding to 5444065551 its reverse (1555604445), we get a palindrome (6999669996).

The spelling of 5444065551 in words is "five billion, four hundred forty-four million, sixty-five thousand, five hundred fifty-one".