Alright, let's work through 54739547 times 90809967 step by step
54739547 × 90809967 = 90809967 × (54739547)
+ 90809967 × 7 that equals 635669769
+ 90809967 × 40 that equals 3632398680
+ 90809967 × 500 that is equal 45404983500
+ 90809967 × 9000 giving us 817289703000
+ 90809967 × 30000 giving us 2724299010000
+ 90809967 × 700000 that results in 63566976900000
+ 90809967 × 4000000 that is equal 363239868000000
+ 90809967 × 50000000 producing 4540498350000000

= 4970896456664949
