564400543 has 4 divisors (see below), whose sum is σ = 645029200. Its totient is φ = 483771888.

The previous prime is 564400537. The next prime is 564400559. The reversal of 564400543 is 345004465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 564400543 - 2⁵ = 564400511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564400943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40314318 + ... + 40314331.

It is an arithmetic number, because the mean of its divisors is an integer number (161257300).

Almost surely, 2^564400543 is an apocalyptic number.

564400543 is a deficient number, since it is larger than the sum of its proper divisors (80628657).

564400543 is an equidigital number, since it uses as much as digits as its factorization.

564400543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80628656.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 564400543 is about 23757.1156287964. The cubic root of 564400543 is about 826.4104641110.

The spelling of 564400543 in words is "five hundred sixty-four million, four hundred thousand, five hundred forty-three".