$5^5$ means raising 5 to the power of 5, which is calculated as:

$5^5 = 5 \times 5 \times 5 \times 5 \times 5 = 3125$

So, $5^5 = 3125$.

Would you like more details on exponents or have any questions?

Here are 5 related questions:

1. What is $5^6$?
2. How do you simplify expressions with exponents?
3. What are the rules for multiplying numbers with exponents?
4. How do you calculate powers of larger numbers like $10^5$?
5. What happens when you raise a number to the power of 0?

Tip: Remember, any non-zero number raised to the power of 0 is always 1!