MrBeast's content often revolves around extravagant and high-stakes challenges, philanthropy, and large-scale events. For a video featuring $50,000 million (or $50 billion), the content would likely include:

1. **Epic Challenges**: MrBeast might organize massive competitions with enormous prizes, such as building the largest house, creating the biggest scavenger hunt, or staging a grand-scale game where contestants compete for substantial amounts of money.

2. **Philanthropy on a Grand Scale**: Given his track record, he could use a portion of the $50 billion to fund life-changing charitable initiatives, like building entire communities, funding medical treatments, or providing significant aid to underserved areas.

3. **Record-Breaking Feats**: The video might feature attempts to break world records or create new ones, such as constructing the world's largest structure or organizing a historic event.

4. **Over-the-Top Giveaways**: He could give away large sums of money to random individuals, support multiple families in need, or host an unprecedented giveaway event.

Such content would be designed to captivate viewers with its scale and impact, showcasing MrBeast's signature style of combining entertainment with generosity.