56986 has 4 divisors (see below), whose sum is σ = 85482. Its totient is φ = 28492.

The previous prime is 56983. The next prime is 56989. The reversal of 56986 is 68965.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56983) and next prime (56989).

It can be written as a sum of positive squares in only one way, i.e., 47961 + 9025 = 219^2 + 95^2 .

It is not an unprimeable number, because it can be changed into a prime (56983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14245 + ... + 14248.

2⁵⁶⁹⁸⁶ is an apocalyptic number.

56986 is a deficient number, since it is larger than the sum of its proper divisors (28496).

56986 is a wasteful number, since it uses less digits than its factorization.

56986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28495.

The product of its digits is 12960, while the sum is 34.

The square root of 56986 is about 238.7174061521. The cubic root of 56986 is about 38.4818602351.

The spelling of 56986 in words is "fifty-six thousand, nine hundred eighty-six".