563537898 has 216 divisors, whose sum is σ = 1634776416. Its totient is φ = 142417440.

The previous prime is 563537873. The next prime is 563537899. The reversal of 563537898 is 898735365.

It is a happy number.

563537898 is a `hidden beast` number, since 563 + 5 + 3 + 78 + 9 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (5443200) is a multiple of the sum of its prime divisors (60).

It is not an unprimeable number, because it can be changed into a prime (563537899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 15230736 + ... + 15230772.

Almost surely, 2^563537898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563537898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817388208).

563537898 is an abundant number, since it is smaller than the sum of its proper divisors (1071238518).

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

563537898 is a wasteful number, since it uses less digits than its factorization.

563537898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 60 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 563537898 is about 23738.9531782680. The cubic root of 563537898 is about 825.9892134130.

The spelling of 563537898 in words is "five hundred sixty-three million, five hundred thirty-seven thousand, eight hundred ninety-eight".