56943 has 20 divisors (see below), whose sum is σ = 91960. Its totient is φ = 34992.

The previous prime is 56941. The next prime is 56951. The reversal of 56943 is 34965.

It is a happy number.

It is not a de Polignac number, because 56943 - 2¹ = 56941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

56943 is a lucky number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56941) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1521 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (4598).

2⁵⁶⁹⁴³ is an apocalyptic number.

56943 is a deficient number, since it is larger than the sum of its proper divisors (35017).

56943 is a wasteful number, since it uses less digits than its factorization.

56943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 59 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 56943 is about 238.6273245041. The cubic root of 56943 is about 38.4721786972.

It can be divided in two parts, 56 and 943, that added together give a palindrome (999).

The spelling of 56943 in words is "fifty-six thousand, nine hundred forty-three".