563831520 has 192 divisors, whose sum is σ = 2149410816. Its totient is φ = 121282560.

The previous prime is 563831509. The next prime is 563831617. The reversal of 563831520 is 25138365.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52185 + ... + 62055.

It is an arithmetic number, because the mean of its divisors is an integer number (11194848).

Almost surely, 2^563831520 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 563831520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074705408).

563831520 is an abundant number, since it is smaller than the sum of its proper divisors (1585579296).

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

563831520 is a wasteful number, since it uses less digits than its factorization.

563831520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913 (or 9905 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 563831520 is about 23745.1367652410. The cubic root of 563831520 is about 826.1326444618.

Adding to 563831520 its reverse (25138365), we get a palindrome (588969885).

The spelling of 563831520 in words is "five hundred sixty-three million, eight hundred thirty-one thousand, five hundred twenty".