56543120072 has 32 divisors (see below), whose sum is σ = 112703227200. Its totient is φ = 26518392000.

The previous prime is 56543120059. The next prime is 56543120107. The reversal of 56543120072 is 27002134565.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1826204 + ... + 1856907.

It is an arithmetic number, because the mean of its divisors is an integer number (3521975850).

Almost surely, 2^56543120072 is an apocalyptic number.

It is an amenable number.

56543120072 is a deficient number, since it is larger than the sum of its proper divisors (56160107128).

56543120072 is a wasteful number, since it uses less digits than its factorization.

56543120072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683237 (or 3683233 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 56543120072 in words is "fifty-six billion, five hundred forty-three million, one hundred twenty thousand, seventy-two".