53051688428393 has 2 divisors, whose sum is σ = 53051688428394. Its totient is φ = 53051688428392.

The previous prime is 53051688428329. The next prime is 53051688428419. The reversal of 53051688428393 is 39382488615035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43708322445529 + 9343365982864 = 6611227^2 + 3056692^2 .

It is a cyclic number.

It is not a de Polignac number, because 53051688428393 - 2⁶ = 53051688428329 is a prime.

It is not a weakly prime, because it can be changed into another prime (53051688421393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525844214196 + 26525844214197.

It is an arithmetic number, because the mean of its divisors is an integer number (26525844214197).

Almost surely, 2^{53051688428393} is an apocalyptic number.

It is an amenable number.

53051688428393 is a deficient number, since it is larger than the sum of its proper divisors (1).

53051688428393 is an equidigital number, since it uses as much as digits as its factorization.

53051688428393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 149299200, while the sum is 65.

The spelling of 53051688428393 in words is "fifty-three trillion, fifty-one billion, six hundred eighty-eight million, four hundred twenty-eight thousand, three hundred ninety-three".