He has died on a date with 52 numerology, August 26, 2018.
8/26/18 = 8+26+18 = 52
That connects to his name and his most remembered worked, 'The Odd Couple'.
His last full day alive, August 25, was 52-days after his birthday.
His name gematria pops, along with his July 4 birthday.
Neil Simon = 47; Born 4/7, July 4
He has died 53-days after his birthday, or on his 54th day of his age. Play = 54 / 54 / 18 / 18