56163765436 has 24 divisors (see below), whose sum is σ = 104258475216. Its totient is φ = 26381671680.

The previous prime is 56163765433. The next prime is 56163765467. The reversal of 56163765436 is 63456736165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56163765433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717775 + ... + 792166.

It is an arithmetic number, because the mean of its divisors is an integer number (4344103134).

Almost surely, 2^56163765436 is an apocalyptic number.

It is an amenable number.

56163765436 is a deficient number, since it is larger than the sum of its proper divisors (48094709780).

56163765436 is a wasteful number, since it uses less digits than its factorization.

56163765436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510509 (or 1510507 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 52.

The spelling of 56163765436 in words is "fifty-six billion, one hundred sixty-three million, seven hundred sixty-five thousand, four hundred thirty-six".