544354321 has 4 divisors (see below), whose sum is σ = 622119232. Its totient is φ = 466589412.

The previous prime is 544354309. The next prime is 544354333. The reversal of 544354321 is 123453445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123453445 = 5 ⋅24690689.

It is an interprime number because it is at equal distance from previous prime (544354309) and next prime (544354333).

It is a cyclic number.

It is not a de Polignac number, because 544354321 - 2¹¹ = 544352273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (544354381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38882445 + ... + 38882458.

It is an arithmetic number, because the mean of its divisors is an integer number (155529808).

Almost surely, 2^544354321 is an apocalyptic number.

It is an amenable number.

544354321 is a deficient number, since it is larger than the sum of its proper divisors (77764911).

544354321 is an equidigital number, since it uses as much as digits as its factorization.

544354321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77764910.

The product of its digits is 28800, while the sum is 31.

The square root of 544354321 is about 23331.4020367401. The cubic root of 544354321 is about 816.5082142861.

The spelling of 544354321 in words is "five hundred forty-four million, three hundred fifty-four thousand, three hundred twenty-one".