53345016053281 has 2 divisors, whose sum is σ = 53345016053282. Its totient is φ = 53345016053280.

The previous prime is 53345016053261. The next prime is 53345016053339. The reversal of 53345016053281 is 18235061054335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53021465549056 + 323550504225 = 7281584^2 + 568815^2 .

It is a cyclic number.

It is not a de Polignac number, because 53345016053281 - 2¹³ = 53345016045089 is a prime.

It is a super-2 number, since 2×53345016053281² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53345016053261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26672508026640 + 26672508026641.

It is an arithmetic number, because the mean of its divisors is an integer number (26672508026641).

Almost surely, 2^{53345016053281} is an apocalyptic number.

It is an amenable number.

53345016053281 is a deficient number, since it is larger than the sum of its proper divisors (1).

53345016053281 is an equidigital number, since it uses as much as digits as its factorization.

53345016053281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 53345016053281 in words is "fifty-three trillion, three hundred forty-five billion, sixteen million, fifty-three thousand, two hundred eighty-one".