Yes you can. It will just take a little longer to complete the charge cycle.
You can use a 500 mA charger to replace a 600 mA charger, but it may not provide enough current for your device, leading to slower charging or potential malfunction. If the device requires 600 mA, it’s best to use a charger that meets or exceeds that specification. Using a lower-rated charger could also result in overheating or damage over time. Ensure to check the device's power requirements for optimal performance.
is 548 closer to 500 or 600
You might be talking about Fortune 500 instead. Fortune 500 is the list of 500 largest companies in the US, and worldwide. But if new companies emerger as another large company, no doubt that fortune 500 can become fortune 600.
500
600
600
500
600
It is recognized that many historians chose to use CE instead of AD. Or in some cases both are used such as 500 CE/AD. In either case, 600 CE/AD came after 500 CE/AD.
500
500+600= 1,100
The halfway point between 500 and 600 is (500 + 600) ÷ 2 = 550