564532655551 has 8 divisors (see below), whose sum is σ = 594251913200. Its totient is φ = 534814099200.

The previous prime is 564532655537. The next prime is 564532655563. The reversal of 564532655551 is 155556235465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 564532655551 - 2⁹ = 564532655039 is a prime.

It is a super-2 number, since 2×564532655551² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564532655851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2619601 + ... + 2826901.

It is an arithmetic number, because the mean of its divisors is an integer number (74281489150).

Almost surely, 2^564532655551 is an apocalyptic number.

564532655551 is a deficient number, since it is larger than the sum of its proper divisors (29719257649).

564532655551 is a wasteful number, since it uses less digits than its factorization.

564532655551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350649.

The product of its digits is 13500000, while the sum is 52.

The spelling of 564532655551 in words is "five hundred sixty-four billion, five hundred thirty-two million, six hundred fifty-five thousand, five hundred fifty-one".