54 million signups to date, a figure Comcast revealed along with its second-quarter earnings results Thursday. That’s a significant increase from the 42 million signups the service reported at the end of Q1.Shell also said it’s “impossible to understate the importance of the Olympics to NBCUniversal,” which are not just a financial asset to Comcast, but “operationally across the company.” “We have 4,000 people, literally, working on it.