564550313 has 8 divisors (see below), whose sum is σ = 576907968. Its totient is φ = 552325104.

The previous prime is 564550309. The next prime is 564550321. The reversal of 564550313 is 313055465.

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 564550313 - 2² = 564550309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 564550313.

It is not an unprimeable number, because it can be changed into a prime (564550813) 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, 24470 + ... + 41567.

It is an arithmetic number, because the mean of its divisors is an integer number (72113496).

Almost surely, 2^564550313 is an apocalyptic number.

It is an amenable number.

564550313 is a deficient number, since it is larger than the sum of its proper divisors (12357655).

564550313 is a wasteful number, since it uses less digits than its factorization.

564550313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66223.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 564550313 is about 23760.2675279552. The cubic root of 564550313 is about 826.4835567343.

The spelling of 564550313 in words is "five hundred sixty-four million, five hundred fifty thousand, three hundred thirteen".