53223240046481 has 2 divisors, whose sum is σ = 53223240046482. Its totient is φ = 53223240046480.

The previous prime is 53223240046469. The next prime is 53223240046513. The reversal of 53223240046481 is 18464004232235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26638811238400 + 26584428808081 = 5161280^2 + 5156009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53223240046481 is a prime.

It is a super-2 number, since 2×53223240046481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53223240046381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26611620023240 + 26611620023241.

It is an arithmetic number, because the mean of its divisors is an integer number (26611620023241).

Almost surely, 2^{53223240046481} is an apocalyptic number.

It is an amenable number.

53223240046481 is a deficient number, since it is larger than the sum of its proper divisors (1).

53223240046481 is an equidigital number, since it uses as much as digits as its factorization.

53223240046481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 53223240046481 in words is "fifty-three trillion, two hundred twenty-three billion, two hundred forty million, forty-six thousand, four hundred eighty-one".