54440321 has 16 divisors (see below), whose sum is σ = 59834880. Its totient is φ = 49230720.

The previous prime is 54440317. The next prime is 54440327. The reversal of 54440321 is 12304445.

54440321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 54440321 - 2² = 54440317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54440327) 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 in 15 ways as a sum of consecutive naturals, for example, 244016 + ... + 244238.

It is an arithmetic number, because the mean of its divisors is an integer number (3739680).

Almost surely, 2^54440321 is an apocalyptic number.

It is an amenable number.

54440321 is a deficient number, since it is larger than the sum of its proper divisors (5394559).

54440321 is a wasteful number, since it uses less digits than its factorization.

54440321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 54440321 is about 7378.3684510873. The cubic root of 54440321 is about 379.0008864672. Note that the first 3 decimals are identical.

Adding to 54440321 its reverse (12304445), we get a palindrome (66744766).

The spelling of 54440321 in words is "fifty-four million, four hundred forty thousand, three hundred twenty-one".