Naples
The most famous entry in the whole Smorfia: ’o muorto che pparla, the dead man who speaks. A dream in which the dead address you is not a nightmare in Naples — it is a tip, and the number is forty-eight.
Smorfia napoletana'O muorto che pparlathe dead man who speaks
Cultural interest — does not change your odds.
What the machines actually did with 48, across every lottery this site holds a long record for.
Across 4 lotteries that hold a 48, its average deviation from expectation is −0.24σ. Statistically ordinary, everywhere. (1 of the games do not go that high.)
The one thing a belief about a number can measurably do is change how many people play it — and a jackpot shared more ways is worth less to each winner. That is the only real consequence, and it is arithmetic rather than folklore.