53051688428261 has 2 divisors, whose sum is σ = 53051688428262. Its totient is φ = 53051688428260.

The previous prime is 53051688428231. The next prime is 53051688428273. The reversal of 53051688428261 is 16282488615035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28072184225761 + 24979504202500 = 5298319^2 + 4997950^2 .

It is a cyclic number.

It is not a de Polignac number, because 53051688428261 - 2¹⁰ = 53051688427237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53051688428261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53051688428231) 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, 26525844214130 + 26525844214131.

It is an arithmetic number, because the mean of its divisors is an integer number (26525844214131).

Almost surely, 2^{53051688428261} is an apocalyptic number.

It is an amenable number.

53051688428261 is a deficient number, since it is larger than the sum of its proper divisors (1).

53051688428261 is an equidigital number, since it uses as much as digits as its factorization.

53051688428261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22118400, while the sum is 59.

The spelling of 53051688428261 in words is "fifty-three trillion, fifty-one billion, six hundred eighty-eight million, four hundred twenty-eight thousand, two hundred sixty-one".