According to Wikipedia:
Layout and amenities
Today the group of buildings housing the presidency is known as the White House Complex. It includes the central Executive Residence flanked by the East Wing and West Wing. The Chief Usher coordinates day to day household operations. The White House includes: six stories and 55,000 ft² (5,100 m²) of floor space, 132 rooms and 35 bathrooms, 412 doors, 147 windows, twenty-eight fireplaces, eight staircases, three elevators, five full-time chefs, a tennis court, a (single-lane) bowling alley (officially called the Harry S. Truman Bowling Alley), a movie theater (officially called the White House Family Theater), a jogging track, a swimming pool, and a putting green. It receives up to 30,000 visitors each week.