An insider tells Page Six that CNN is set to sign a deal "worth $50 million over five years" for Anderson Cooper.

"Cooper 'just got an incremental amount added on to his original contract to keep him happy for the next two years and then will make a much larger amount for the following three years -- all of which will be worth $50 million,' the insider says.

That's a Katie Couric sort of salary. CNN declined to comment...