The Fifty Dollar Bill is a denomination of United States currency worth fifty dollars. It features a portrait of Ulysses S. Grant, the 18th President of the United States, on the front. The bill is primarily green and has various security features, including a security thread and a watermark, to prevent counterfeiting. The back of the Fifty Dollar Bill displays an image of the U.S. Capitol, symbolizing the legislative branch of the government. It is part of the Federal Reserve Note series and is commonly used in everyday transactions, as well as for savings and investments.