53564526201643 has 2 divisors, whose sum is σ = 53564526201644. Its totient is φ = 53564526201642.

The previous prime is 53564526201611. The next prime is 53564526201653. The reversal of 53564526201643 is 34610262546535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53564526201643 - 2⁵ = 53564526201611 is a prime.

It is not a weakly prime, because it can be changed into another prime (53564526201653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26782263100821 + 26782263100822.

It is an arithmetic number, because the mean of its divisors is an integer number (26782263100822).

Almost surely, 2^{53564526201643} is an apocalyptic number.

53564526201643 is a deficient number, since it is larger than the sum of its proper divisors (1).

53564526201643 is an equidigital number, since it uses as much as digits as its factorization.

53564526201643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552000, while the sum is 52.

The spelling of 53564526201643 in words is "fifty-three trillion, five hundred sixty-four billion, five hundred twenty-six million, two hundred one thousand, six hundred forty-three".