563909920 has 96 divisors (see below), whose sum is σ = 1527120000. Its totient is φ = 192761856.

The previous prime is 563909887. The next prime is 563909921. The reversal of 563909920 is 29909365.

It is not an unprimeable number, because it can be changed into a prime (563909921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558376 + ... + 559384.

It is an arithmetic number, because the mean of its divisors is an integer number (15907500).

Almost surely, 2^563909920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563909920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763560000).

563909920 is an abundant number, since it is smaller than the sum of its proper divisors (963210080).

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

563909920 is a wasteful number, since it uses less digits than its factorization.

563909920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 563909920 is about 23746.7875722170. The cubic root of 563909920 is about 826.1709335577.

The spelling of 563909920 in words is "five hundred sixty-three million, nine hundred nine thousand, nine hundred twenty".