53051688421393 has 2 divisors, whose sum is σ = 53051688421394. Its totient is φ = 53051688421392.

The previous prime is 53051688421387. The next prime is 53051688421429. The reversal of 53051688421393 is 39312488615035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39939960517249 + 13111727904144 = 6319807^2 + 3621012^2 .

It is a cyclic number.

It is not a de Polignac number, because 53051688421393 - 2⁹ = 53051688420881 is a prime.

It is not a weakly prime, because it can be changed into another prime (53051688421313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525844210696 + 26525844210697.

It is an arithmetic number, because the mean of its divisors is an integer number (26525844210697).

Almost surely, 2^{53051688421393} is an apocalyptic number.

It is an amenable number.

53051688421393 is a deficient number, since it is larger than the sum of its proper divisors (1).

53051688421393 is an equidigital number, since it uses as much as digits as its factorization.

53051688421393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 53051688421393 in words is "fifty-three trillion, fifty-one billion, six hundred eighty-eight million, four hundred twenty-one thousand, three hundred ninety-three".