53643614653 has 2 divisors, whose sum is σ = 53643614654. Its totient is φ = 53643614652.

The previous prime is 53643614599. The next prime is 53643614711. The reversal of 53643614653 is 35641634635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46081920889 + 7561693764 = 214667^2 + 86958^2 .

It is a cyclic number.

It is not a de Polignac number, because 53643614653 - 2¹⁷ = 53643483581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53643614953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26821807326 + 26821807327.

It is an arithmetic number, because the mean of its divisors is an integer number (26821807327).

Almost surely, 2^53643614653 is an apocalyptic number.

It is an amenable number.

53643614653 is a deficient number, since it is larger than the sum of its proper divisors (1).

53643614653 is an equidigital number, since it uses as much as digits as its factorization.

53643614653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 46.

The spelling of 53643614653 in words is "fifty-three billion, six hundred forty-three million, six hundred fourteen thousand, six hundred fifty-three".