53.3÷0.23÷0.91×16.1÷0.82
=53.3÷0.82×(16.1÷0.23)÷0.91,
=65×70÷0.91,
=13×5×10×7÷0.7÷1.3,
=10×5×10×10,
=5000.
故答案为:5000.