564449543 has 4 divisors (see below), whose sum is σ = 645085200. Its totient is φ = 483813888.

The previous prime is 564449513. The next prime is 564449573. The reversal of 564449543 is 345944465.

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

It is an interprime number because it is at equal distance from previous prime (564449513) and next prime (564449573).

It is a cyclic number.

It is not a de Polignac number, because 564449543 - 2¹² = 564445447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564449494 and 564449503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564449513) 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, 40317818 + ... + 40317831.

It is an arithmetic number, because the mean of its divisors is an integer number (161271300).

Almost surely, 2^564449543 is an apocalyptic number.

564449543 is a deficient number, since it is larger than the sum of its proper divisors (80635657).

564449543 is an equidigital number, since it uses as much as digits as its factorization.

564449543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80635656.

The product of its digits is 1036800, while the sum is 44.

The square root of 564449543 is about 23758.1468763875. The cubic root of 564449543 is about 826.4343791252.

The spelling of 564449543 in words is "five hundred sixty-four million, four hundred forty-nine thousand, five hundred forty-three".