54,654:2,5

To perform the operation \( 54,654 \div 2.5 \):

1. Convert \( 2.5 \) into a fraction: \( 2.5 = \frac{25}{10} = \frac{5}{2} \).
2. Thus, the division \( 54,654 \div 2.5 \) can be rewritten as \( 54,654 \times \frac{2}{5} \).
3. First, calculate \( 54,654 \times 2 = 109,308 \).
4. Now divide by \( 5 \): \( 109,308 \div 5 = 21,861.6 \).

Therefore, \( 54,654 \div 2.5 = 21,861.6 \).