56548643 has 4 divisors (see below), whose sum is σ = 56582760. Its totient is φ = 56514528.

The previous prime is 56548621. The next prime is 56548649. The reversal of 56548643 is 34684565.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56548643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56548643.

It is not an unprimeable number, because it can be changed into a prime (56548649) 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, 14438 + ... + 17931.

It is an arithmetic number, because the mean of its divisors is an integer number (14145690).

Almost surely, 2^56548643 is an apocalyptic number.

56548643 is a deficient number, since it is larger than the sum of its proper divisors (34117).

56548643 is a wasteful number, since it uses less digits than its factorization.

56548643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34116.

The product of its digits is 345600, while the sum is 41.

The square root of 56548643 is about 7519.8831772841. The cubic root of 56548643 is about 383.8316025044.

The spelling of 56548643 in words is "fifty-six million, five hundred forty-eight thousand, six hundred forty-three".