53505205155223 has 2 divisors, whose sum is σ = 53505205155224. Its totient is φ = 53505205155222.

The previous prime is 53505205155217. The next prime is 53505205155247. The reversal of 53505205155223 is 32255150250535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53505205155223 - 2²¹ = 53505203058071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53505205155223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53505205125223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26752602577611 + 26752602577612.

It is an arithmetic number, because the mean of its divisors is an integer number (26752602577612).

Almost surely, 2^{53505205155223} is an apocalyptic number.

53505205155223 is a deficient number, since it is larger than the sum of its proper divisors (1).

53505205155223 is an equidigital number, since it uses as much as digits as its factorization.

53505205155223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125000, while the sum is 43.

The spelling of 53505205155223 in words is "fifty-three trillion, five hundred five billion, two hundred five million, one hundred fifty-five thousand, two hundred twenty-three".