That is an increase of more than 13,000 on its former estimate. At least 1,400 died in Indian-administered Kashmir.
In some of the areas worst affected, heavy rain and strong winds temporarily grounded helicopter flights.
UN top relief co-ordinator, Jan Egeland, has said billions of dollars will be needed for the aid effort.
On Saturday, Saudi Arabia announced an aid package worth $133m for Pakistan.
The Dalai Lama expressed his sorrow at the earthquake and pledged $23,000 in aid for Pakistan and $12,000 to India.