56847 has 8 divisors (see below), whose sum is σ = 86656. Its totient is φ = 32472.

The previous prime is 56843. The next prime is 56857. The reversal of 56847 is 74865.

It is a happy number.

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

It is not a de Polignac number, because 56847 - 2² = 56843 is a prime.

It is a Duffinian number.

56847 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56843) 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, 1333 + ... + 1374.

It is an arithmetic number, because the mean of its divisors is an integer number (10832).

2⁵⁶⁸⁴⁷ is an apocalyptic number.

56847 is a deficient number, since it is larger than the sum of its proper divisors (29809).

56847 is a wasteful number, since it uses less digits than its factorization.

56847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717.

The product of its digits is 6720, while the sum is 30.

The square root of 56847 is about 238.4260891765. The cubic root of 56847 is about 38.4505464999.

It can be divided in two parts, 56 and 847, that added together give a triangular number (903 = T₄₂).

The spelling of 56847 in words is "fifty-six thousand, eight hundred forty-seven".