Edmund Hillary was the first to reach the summit of Mount Everest at 11.30 in the morning on the 29th May 1953 followed by Tenzing Norgay. At that time Edmund Hillary was 35 years old and his climbing partner Tenzing Norgay was 39 years old.
If you mean how many people climbed to the summit of Mount Everest in 1953 then the answer is 2, Edmund Hillary and Tenzing Norgay.
Edmund Hillary was 34 years old when he climbed Mount Everest in 1953
Mount Everest was first climbed by Edmund Hillary and Tenzing Norgay on the 29th May 1953
Edmund Hillary was 35 and Tenzing Norgay was 39 when they climbed Mount Everest in 1953
Edmund Hillary climbed Mount Everest in 1953.
Edmund Hillary was 34 when he climbed Mount Everest in 1953.
Edmund Hillary and Tenzing Norgay successfully climbed Mount Everest in 1953
Tenzing Norgay reached the summit of Mount Everest in 1953.
Edmund Hillary climbed Mount Everest in 1953
Sir Edmund Hillary climbed Mount Everest in 1953.
The summit of Mount Everest was first climbed on the 29th May 1953 by Edmund Hillary and Tenzing Norgay.
Mount Everest was first climbed by a British team in 1921 but the summit was not reached until 1953 by a different team.