56678 has 8 divisors (see below), whose sum is σ = 90072. Its totient is φ = 26656.

The previous prime is 56671. The next prime is 56681. The reversal of 56678 is 87665.

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

It is a Curzon number.

It is a plaindrome in base 10.

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56671) by changing a digit.

56678 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800 + ... + 867.

It is an arithmetic number, because the mean of its divisors is an integer number (11259).

2⁵⁶⁶⁷⁸ is an apocalyptic number.

56678 is a deficient number, since it is larger than the sum of its proper divisors (33394).

56678 is a wasteful number, since it uses less digits than its factorization.

56678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686.

The product of its digits is 10080, while the sum is 32.

The square root of 56678 is about 238.0714178561. The cubic root of 56678 is about 38.4124055694.

The spelling of 56678 in words is "fifty-six thousand, six hundred seventy-eight".