544457 has 4 divisors (see below), whose sum is σ = 545940. Its totient is φ = 542976.

The previous prime is 544451. The next prime is 544471. The reversal of 544457 is 754445.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 754445 = 5 ⋅150889.

It can be written as a sum of positive squares in 2 ways, for example, as 341056 + 203401 = 584^2 + 451^2 .

It is a cyclic number.

It is not a de Polignac number, because 544457 - 2¹⁸ = 282313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544451) 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, 269 + ... + 1077.

It is an arithmetic number, because the mean of its divisors is an integer number (136485).

2⁵⁴⁴⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

544457 is a deficient number, since it is larger than the sum of its proper divisors (1483).

544457 is an equidigital number, since it uses as much as digits as its factorization.

544457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482.

The product of its digits is 11200, while the sum is 29.

The square root of 544457 is about 737.8732953563. The cubic root of 544457 is about 81.6559549096.

It can be divided in two parts, 544 and 457, that added together give a palindrome (1001).

The spelling of 544457 in words is "five hundred forty-four thousand, four hundred fifty-seven".