5445544 has 16 divisors (see below), whose sum is σ = 10996020. Its totient is φ = 2513280.

The previous prime is 5445541. The next prime is 5445577. The reversal of 5445544 is 4455445.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4368100 + 1077444 = 2090^2 + 1038^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26077 + ... + 26284.

Almost surely, 2^5445544 is an apocalyptic number.

It is an amenable number.

5445544 is an abundant number, since it is smaller than the sum of its proper divisors (5550476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5445544 is a wasteful number, since it uses less digits than its factorization.

5445544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52380 (or 52376 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 5445544 is about 2333.5689404858. The cubic root of 5445544 is about 175.9329117582.

Subtracting from 5445544 its reverse (4455445), we obtain a palindrome (990099).

The spelling of 5445544 in words is "five million, four hundred forty-five thousand, five hundred forty-four".