564548964 has 24 divisors (see below), whose sum is σ = 1505464128. Its totient is φ = 161299680.

The previous prime is 564548953. The next prime is 564548969. The reversal of 564548964 is 469845465.

It is not an unprimeable number, because it can be changed into a prime (564548969) 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 7 ways as a sum of consecutive naturals, for example, 3360327 + ... + 3360494.

It is an arithmetic number, because the mean of its divisors is an integer number (62727672).

Almost surely, 2^564548964 is an apocalyptic number.

It is an amenable number.

564548964 is an abundant number, since it is smaller than the sum of its proper divisors (940915164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564548964 is a wasteful number, since it uses less digits than its factorization.

564548964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720835 (or 6720833 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The square root of 564548964 is about 23760.2391402107. The cubic root of 564548964 is about 826.4828984362.

The spelling of 564548964 in words is "five hundred sixty-four million, five hundred forty-eight thousand, nine hundred sixty-four".