563545444 has 96 divisors (see below), whose sum is σ = 1332688896. Its totient is φ = 201761280.

The previous prime is 563545421. The next prime is 563545447. The reversal of 563545444 is 444545365.

It is a junction number, because it is equal to n+sod(n) for n = 563545397 and 563545406.

It is not an unprimeable number, because it can be changed into a prime (563545447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223897 + ... + 226399.

It is an arithmetic number, because the mean of its divisors is an integer number (13882176).

Almost surely, 2^563545444 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 563545444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666344448).

563545444 is an abundant number, since it is smaller than the sum of its proper divisors (769143452).

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

563545444 is a wasteful number, since it uses less digits than its factorization.

563545444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2583 counting only the distinct ones).

The product of its digits is 576000, while the sum is 40.

The square root of 563545444 is about 23739.1121148201. The cubic root of 563545444 is about 825.9929001729.

The spelling of 563545444 in words is "five hundred sixty-three million, five hundred forty-five thousand, four hundred forty-four".