544455121 has 12 divisors (see below), whose sum is σ = 648077232. Its totient is φ = 455821128.

The previous prime is 544455091. The next prime is 544455137. The reversal of 544455121 is 121554445.

It is a happy number.

544455121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 544455121 - 2⁷ = 544454993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544455221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127095 + ... + 131308.

It is an arithmetic number, because the mean of its divisors is an integer number (54006436).

Almost surely, 2^544455121 is an apocalyptic number.

It is an amenable number.

544455121 is a deficient number, since it is larger than the sum of its proper divisors (103622111).

544455121 is a wasteful number, since it uses less digits than its factorization.

544455121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258460 (or 258453 counting only the distinct ones).

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

The square root of 544455121 is about 23333.5621155451. The cubic root of 544455121 is about 816.5586097394.

The spelling of 544455121 in words is "five hundred forty-four million, four hundred fifty-five thousand, one hundred twenty-one".