Alright, let's work through 55963709 times 11429829 step by step
55963709 × 11429829 = 11429829 × (55963709)
+ 11429829 × 9 that is equal 102868461
+ 11429829 × 00 resulting in 0
+ 11429829 × 700 that equals 8000880300
+ 11429829 × 3000 yielding 34289487000
+ 11429829 × 60000 resulting in 685789740000
+ 11429829 × 900000 which equals 10286846100000
+ 11429829 × 5000000 giving us 57149145000000
+ 11429829 × 50000000 that results in 571491450000000

= 639655624075761
