563749648 has 120 divisors (see below), whose sum is σ = 1453406976. Its totient is φ = 206638080.

The previous prime is 563749639. The next prime is 563749717. The reversal of 563749648 is 846947365.

It is a junction number, because it is equal to n+sod(n) for n = 563749595 and 563749604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229161 + ... + 231607.

Almost surely, 2^563749648 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 563749648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726703488).

563749648 is an abundant number, since it is smaller than the sum of its proper divisors (889657328).

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

563749648 is a wasteful number, since it uses less digits than its factorization.

563749648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501 (or 2484 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The square root of 563749648 is about 23743.4127285864. The cubic root of 563749648 is about 826.0926559170.

The spelling of 563749648 in words is "five hundred sixty-three million, seven hundred forty-nine thousand, six hundred forty-eight".