53635510217 has 2 divisors, whose sum is σ = 53635510218. Its totient is φ = 53635510216.

The previous prime is 53635510151. The next prime is 53635510231. The reversal of 53635510217 is 71201553635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32243230096 + 21392280121 = 179564^2 + 146261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53635510217 is a prime.

It is a super-2 number, since 2×53635510217² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53635510517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26817755108 + 26817755109.

It is an arithmetic number, because the mean of its divisors is an integer number (26817755109).

Almost surely, 2^53635510217 is an apocalyptic number.

It is an amenable number.

53635510217 is a deficient number, since it is larger than the sum of its proper divisors (1).

53635510217 is an equidigital number, since it uses as much as digits as its factorization.

53635510217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94500, while the sum is 38.

The spelling of 53635510217 in words is "fifty-three billion, six hundred thirty-five million, five hundred ten thousand, two hundred seventeen".