Satan was created an archangel, the highest of God's creation. The description in Ezekiel 28 can only be a supernatural being and not a man who ruled Tyre.
Ezekiel 28:12 “Son of man, take up a lamentation for the king of Tyre, and say to him, ‘Thus says the Lord God: “You were the seal of perfection, Full of wisdom and perfect in beauty.”