57 (number)

The number 57 can refer to various contexts, including: 1. **Mathematics**: It's an integer that follows 56 and precedes 58. It is an odd number, and it is the product of the prime factors \(3 \times 19\). 2. **Cultural References**: The number 57 is famously associated with Heinz, which markets its ketchup with the slogan "57 varieties," although the company produces far more than 57 types of products.