56043871 has 8 divisors (see below), whose sum is σ = 60423440. Its totient is φ = 51674112.

The previous prime is 56043859. The next prime is 56043887. The reversal of 56043871 is 17834065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56043871 - 2⁵ = 56043839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56043821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13120 + ... + 16858.

It is an arithmetic number, because the mean of its divisors is an integer number (7552930).

Almost surely, 2^56043871 is an apocalyptic number.

56043871 is a deficient number, since it is larger than the sum of its proper divisors (4379569).

56043871 is a wasteful number, since it uses less digits than its factorization.

56043871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 56043871 is about 7486.2454541646. The cubic root of 56043871 is about 382.6861178619.

The spelling of 56043871 in words is "fifty-six million, forty-three thousand, eight hundred seventy-one".