Alright, let's work through 52054673 times 75139053 step by step
52054673 × 75139053 = 75139053 × (52054673)
+ 75139053 × 3 giving us 225417159
+ 75139053 × 70 that results in 5259733710
+ 75139053 × 600 that equals 45083431800
+ 75139053 × 4000 that results in 300556212000
+ 75139053 × 50000 yielding 3756952650000
+ 75139053 × 000000 what gives us 0
+ 75139053 × 2000000 resulting in 150278106000000
+ 75139053 × 50000000 yielding 3756952650000000

= 3911338833444669
