564520550 has 24 divisors (see below), whose sum is σ = 1145464632. Its totient is φ = 205280000.

The previous prime is 564520529. The next prime is 564520577. The reversal of 564520550 is 55025465.

564520550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 512651 + ... + 513750.

It is an arithmetic number, because the mean of its divisors is an integer number (47727693).

Almost surely, 2^564520550 is an apocalyptic number.

564520550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

564520550 is an abundant number, since it is smaller than the sum of its proper divisors (580944082).

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

564520550 is a wasteful number, since it uses less digits than its factorization.

564520550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026424 (or 1026419 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 564520550 is about 23759.6412009946. The cubic root of 564520550 is about 826.4690324532.

The spelling of 564520550 in words is "five hundred sixty-four million, five hundred twenty thousand, five hundred fifty".