53520660446353 has 2 divisors, whose sum is σ = 53520660446354. Its totient is φ = 53520660446352.

The previous prime is 53520660446333. The next prime is 53520660446413. The reversal of 53520660446353 is 35364406602535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33429754731409 + 20090905714944 = 5781847^2 + 4482288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53520660446353 is a prime.

It is a super-2 number, since 2×53520660446353² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53520660446353.

It is not a weakly prime, because it can be changed into another prime (53520660446333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26760330223176 + 26760330223177.

It is an arithmetic number, because the mean of its divisors is an integer number (26760330223177).

Almost surely, 2^{53520660446353} is an apocalyptic number.

It is an amenable number.

53520660446353 is a deficient number, since it is larger than the sum of its proper divisors (1).

53520660446353 is an equidigital number, since it uses as much as digits as its factorization.

53520660446353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328000, while the sum is 52.

The spelling of 53520660446353 in words is "fifty-three trillion, five hundred twenty billion, six hundred sixty million, four hundred forty-six thousand, three hundred fifty-three".