563655330 has 288 divisors, whose sum is σ = 1858896000. Its totient is φ = 118117440.

The previous prime is 563655329. The next prime is 563655341. The reversal of 563655330 is 33556365.

563655330 is a `hidden beast` number, since 5 + 63 + 65 + 533 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18182415 + ... + 18182445.

It is an arithmetic number, because the mean of its divisors is an integer number (6454500).

Almost surely, 2^563655330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563655330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929448000).

563655330 is an abundant number, since it is smaller than the sum of its proper divisors (1295240670).

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

563655330 is a wasteful number, since it uses less digits than its factorization.

563655330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

The square root of 563655330 is about 23741.4264525112. The cubic root of 563655330 is about 826.0465836028.

The spelling of 563655330 in words is "five hundred sixty-three million, six hundred fifty-five thousand, three hundred thirty".