56563636231 has 4 divisors (see below), whose sum is σ = 56573052264. Its totient is φ = 56554220200.

The previous prime is 56563636201. The next prime is 56563636249. The reversal of 56563636231 is 13263636565.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56563636231 - 2¹³ = 56563628039 is a prime.

It is a super-2 number, since 2×56563636231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56563636201) 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 3 ways as a sum of consecutive naturals, for example, 4699000 + ... + 4711021.

It is an arithmetic number, because the mean of its divisors is an integer number (14143263066).

Almost surely, 2^56563636231 is an apocalyptic number.

56563636231 is a deficient number, since it is larger than the sum of its proper divisors (9416033).

56563636231 is an equidigital number, since it uses as much as digits as its factorization.

56563636231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9416032.

The product of its digits is 1749600, while the sum is 46.

The spelling of 56563636231 in words is "fifty-six billion, five hundred sixty-three million, six hundred thirty-six thousand, two hundred thirty-one".