None. Unless the coin has an "S" mintmark, it is a normal copper-nickel coin made out of the same composition as the dime, quarter and half-dollar and is only worth $1.
No US silver dollars were minted after 1935. Please check the back of the coin; you'll most likely see that it's a HALF dollar. If so, its weight when new was 12.5 gm and it's made of 90% silver and...
Unless it's one of the special 40% silver ones minted for collectors and sold in special mint packaging, the answer is "none". Circulation Ike dollars were made of copper-nickel.
If there's no...