564547066553 has 4 divisors (see below), whose sum is σ = 564552514128. Its totient is φ = 564541618980.

The previous prime is 564547066549. The next prime is 564547066571. The reversal of 564547066553 is 355660745465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 564547066553 - 2² = 564547066549 is a prime.

It is a super-2 number, since 2×564547066553² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564547066453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2565263 + ... + 2776628.

It is an arithmetic number, because the mean of its divisors is an integer number (141138128532).

Almost surely, 2^564547066553 is an apocalyptic number.

It is an amenable number.

564547066553 is a deficient number, since it is larger than the sum of its proper divisors (5447575).

564547066553 is a wasteful number, since it uses less digits than its factorization.

564547066553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447574.

The product of its (nonzero) digits is 45360000, while the sum is 56.

The spelling of 564547066553 in words is "five hundred sixty-four billion, five hundred forty-seven million, sixty-six thousand, five hundred fifty-three".