It has been revived, probably, more than any other musical. Notable revivals include Angela Lansbury, Bernadette Peters, Tyne Daly and Patti LuPone. All wonderful in their own way. For my money, Ethel Merman was and always will be, the best Mama Rose.
And don't forget Gypsy's famous overture: probably the greatest one ever written. Here's Miss Ethel, my favorite.