564550505 has 8 divisors (see below), whose sum is σ = 677605824. Its totient is φ = 451543600.

The previous prime is 564550499. The next prime is 564550507. The reversal of 564550505 is 505055465.

564550505 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 564550505 - 2¹⁴ = 564534121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564550507) 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, 22610 + ... + 40500.

It is an arithmetic number, because the mean of its divisors is an integer number (84700728).

Almost surely, 2^564550505 is an apocalyptic number.

It is an amenable number.

564550505 is a deficient number, since it is larger than the sum of its proper divisors (113055319).

564550505 is a wasteful number, since it uses less digits than its factorization.

564550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24207.

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 564550505 is about 23760.2715683134. The cubic root of 564550505 is about 826.4836504282.

The spelling of 564550505 in words is "five hundred sixty-four million, five hundred fifty thousand, five hundred five".