56894 has 4 divisors (see below), whose sum is σ = 85344. Its totient is φ = 28446.

The previous prime is 56893. The next prime is 56897. The reversal of 56894 is 49865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49865 = 5 ⋅9973.

It is an Ulam number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 56894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14222 + ... + 14225.

It is an arithmetic number, because the mean of its divisors is an integer number (21336).

2⁵⁶⁸⁹⁴ is an apocalyptic number.

56894 is a deficient number, since it is larger than the sum of its proper divisors (28450).

56894 is a wasteful number, since it uses less digits than its factorization.

56894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28449.

The product of its digits is 8640, while the sum is 32.

The square root of 56894 is about 238.5246318517. The cubic root of 56894 is about 38.4611403036.

The spelling of 56894 in words is "fifty-six thousand, eight hundred ninety-four".