What was the number one pop song in 1956?

The number one pop song in 1956 was "Heartbreak Hotel" by Elvis Presley. The song was released on January 27, 1956, and became an instant hit, reaching number one on the Billboard Hot 100 chart and remaining there for eight weeks. "Heartbreak Hotel" is considered one of Elvis Presley's signature songs and has been covered by numerous artists over the years.