Oh No, Large Squares!

Algebra Level 4

If you were only given that

4382716062=192082000625819236,438271606^{2} = 192082000625819236,

can you find the sum of digits of the exact value of 5617283952561728395^{2}?

Notes: Yes, don't use Wolfram Alpha or a calculator to solve this (though you may use a calculator to calculate the digit sum).

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