564312661553 has 16 divisors (see below), whose sum is σ = 589556599680. Its totient is φ = 539128237824.

The previous prime is 564312661541. The next prime is 564312661559. The reversal of 564312661553 is 355166213465.

It is a cyclic number.

It is not a de Polignac number, because 564312661553 - 2¹⁰ = 564312660529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564312661498 and 564312661507.

It is not an unprimeable number, because it can be changed into a prime (564312661559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84563225 + ... + 84569897.

It is an arithmetic number, because the mean of its divisors is an integer number (36847287480).

Almost surely, 2^564312661553 is an apocalyptic number.

It is an amenable number.

564312661553 is a deficient number, since it is larger than the sum of its proper divisors (25243938127).

564312661553 is a wasteful number, since it uses less digits than its factorization.

564312661553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10568.

The product of its digits is 1944000, while the sum is 47.

The spelling of 564312661553 in words is "five hundred sixty-four billion, three hundred twelve million, six hundred sixty-one thousand, five hundred fifty-three".