Alright, let's work through 55672748 times 73328742 step by step
55672748 × 73328742 = 73328742 × (55672748)
+ 73328742 × 8 resulting in 586629936
+ 73328742 × 40 yielding 2933149680
+ 73328742 × 700 producing 51330119400
+ 73328742 × 2000 which equals 146657484000
+ 73328742 × 70000 resulting in 5133011940000
+ 73328742 × 600000 resulting in 43997245200000
+ 73328742 × 5000000 that equals 366643710000000
+ 73328742 × 50000000 yielding 3666437100000000

= 4082412574523016
