5521144 has 8 divisors (see below), whose sum is σ = 10352160. Its totient is φ = 2760568.

The previous prime is 5521133. The next prime is 5521147. The reversal of 5521144 is 4411255.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521147) 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, 345064 + ... + 345079.

It is an arithmetic number, because the mean of its divisors is an integer number (1294020).

Almost surely, 2^5521144 is an apocalyptic number.

It is an amenable number.

5521144 is a deficient number, since it is larger than the sum of its proper divisors (4831016).

5521144 is a wasteful number, since it uses less digits than its factorization.

5521144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690149 (or 690145 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 5521144 is about 2349.7114716492. The cubic root of 5521144 is about 176.7433265661.

Adding to 5521144 its reverse (4411255), we get a palindrome (9932399).

It can be divided in two parts, 55211 and 44, that added together give a palindrome (55255).

The spelling of 5521144 in words is "five million, five hundred twenty-one thousand, one hundred forty-four".