53505523042217 has 2 divisors, whose sum is σ = 53505523042218. Its totient is φ = 53505523042216.

The previous prime is 53505523042201. The next prime is 53505523042241. The reversal of 53505523042217 is 71224032550535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47112999659881 + 6392523382336 = 6863891^2 + 2528344^2 .

It is a cyclic number.

It is not a de Polignac number, because 53505523042217 - 2⁴ = 53505523042201 is a prime.

It is not a weakly prime, because it can be changed into another prime (53505523042417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26752761521108 + 26752761521109.

It is an arithmetic number, because the mean of its divisors is an integer number (26752761521109).

Almost surely, 2^{53505523042217} is an apocalyptic number.

It is an amenable number.

53505523042217 is a deficient number, since it is larger than the sum of its proper divisors (1).

53505523042217 is an equidigital number, since it uses as much as digits as its factorization.

53505523042217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 44.

The spelling of 53505523042217 in words is "fifty-three trillion, five hundred five billion, five hundred twenty-three million, forty-two thousand, two hundred seventeen".