56543634572 has 12 divisors (see below), whose sum is σ = 102143340096. Its totient is φ = 27359823120.

The previous prime is 56543634571. The next prime is 56543634647. The reversal of 56543634572 is 27543634565.

It is a super-2 number, since 2×56543634572² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56543634572.

It is not an unprimeable number, because it can be changed into a prime (56543634571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227998403 + ... + 227998650.

It is an arithmetic number, because the mean of its divisors is an integer number (8511945008).

Almost surely, 2^56543634572 is an apocalyptic number.

It is an amenable number.

56543634572 is a deficient number, since it is larger than the sum of its proper divisors (45599705524).

56543634572 is a wasteful number, since it uses less digits than its factorization.

56543634572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455997088 (or 455997086 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 50.

The spelling of 56543634572 in words is "fifty-six billion, five hundred forty-three million, six hundred thirty-four thousand, five hundred seventy-two".