563381456 has 40 divisors (see below), whose sum is σ = 1199402400. Its totient is φ = 254229120.

The previous prime is 563381443. The next prime is 563381459. The reversal of 563381456 is 654183365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563381459) 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, 12950 + ... + 35978.

It is an arithmetic number, because the mean of its divisors is an integer number (29985060).

Almost surely, 2^563381456 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 563381456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599701200).

563381456 is an abundant number, since it is smaller than the sum of its proper divisors (636020944).

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

563381456 is a wasteful number, since it uses less digits than its factorization.

563381456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23187 (or 23181 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 563381456 is about 23735.6579011411. The cubic root of 563381456 is about 825.9127729084.

The spelling of 563381456 in words is "five hundred sixty-three million, three hundred eighty-one thousand, four hundred fifty-six".