554 to the nearest tens place is 550
You cannot not round 554 to the nearest thousand. There is no digit in the thousands place.
550
554
It is: 550
600
600
560
497 553 545 rounds off to:0 to the nearest billion500 000 000 to the nearest hundred million500 000 000 to the nearest ten million498 000 000 to the nearest million497 600 000 to the nearest hundred thousand497 550 000 to the nearest ten thousand497 554 000 to the nearest thousand497 553 500 to the nearest hundred497 553 550 to the nearest ten
550
22,000
Dividing distance travelled by speed gives a time of 554/65 = 8.5230769 recurring (that is, 8.5230769230769...) hours or 511 minutes 23 seconds, rounded to the nearest second.
The factors of 554 are: 1, 2, 277, 554