544

544 = 2⁵ x 17.

544 is 20200 in base 4.

544 is an Ulam number. The next Ulam number is uniquely the sum of two earlier distinct Ulam numbers.

544 has a representation as a sum of two squares: 544 = 12² + 20².

544 Jetta is a minor planet orbiting the Sun.

Source: Wolfram MathWorld