563555231 has 16 divisors (see below), whose sum is σ = 603628800. Its totient is φ = 524966400.

The previous prime is 563555227. The next prime is 563555233. The reversal of 563555231 is 132555365.

It is not a de Polignac number, because 563555231 - 2² = 563555227 is a prime.

It is a super-2 number, since 2×563555231² = 635188996774926722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 563555191 and 563555200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563555233) 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 15 ways as a sum of consecutive naturals, for example, 377735 + ... + 379223.

It is an arithmetic number, because the mean of its divisors is an integer number (37726800).

Almost surely, 2^563555231 is an apocalyptic number.

563555231 is a deficient number, since it is larger than the sum of its proper divisors (40073569).

563555231 is a wasteful number, since it uses less digits than its factorization.

563555231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970.

The product of its digits is 67500, while the sum is 35.

The square root of 563555231 is about 23739.3182505311. The cubic root of 563555231 is about 825.9976817723.

The spelling of 563555231 in words is "five hundred sixty-three million, five hundred fifty-five thousand, two hundred thirty-one".