5444105521 has 4 divisors (see below), whose sum is σ = 5463479844. Its totient is φ = 5424731200.

The previous prime is 5444105489. The next prime is 5444105573. The reversal of 5444105521 is 1255014445.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3598200225 + 1845905296 = 59985^2 + 42964^2 .

It is a cyclic number.

It is not a de Polignac number, because 5444105521 - 2⁵ = 5444105489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5444105581) 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 in 3 ways as a sum of consecutive naturals, for example, 9686740 + ... + 9687301.

It is an arithmetic number, because the mean of its divisors is an integer number (1365869961).

Almost surely, 2^5444105521 is an apocalyptic number.

It is an amenable number.

5444105521 is a deficient number, since it is larger than the sum of its proper divisors (19374323).

5444105521 is a wasteful number, since it uses less digits than its factorization.

5444105521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19374322.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 5444105521 is about 73784.1820514397. The cubic root of 5444105521 is about 1759.1741908586.

Adding to 5444105521 its reverse (1255014445), we get a palindrome (6699119966).

The spelling of 5444105521 in words is "five billion, four hundred forty-four million, one hundred five thousand, five hundred twenty-one".