Here's why:

* Exponents: An exponent tells you how many times to multiply a base number by itself. In this case, the base is 10 and the exponent is 53.

* 10 to the power of anything: Any number multiplied by 1 remains the same. So, 1 multiplied by 10 to the power of 53 is still just 10 to the power of 53.

Therefore, 1 x 10^53 = 100,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000