56659 has 2 divisors, whose sum is σ = 56660. Its totient is φ = 56658.

The previous prime is 56633. The next prime is 56663. The reversal of 56659 is 95665.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56659 - 2⁷ = 56531 is a prime.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 56659.

It is not a weakly prime, because it can be changed into another prime (56629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28329 + 28330.

It is an arithmetic number, because the mean of its divisors is an integer number (28330).

2⁵⁶⁶⁵⁹ is an apocalyptic number.

56659 is a deficient number, since it is larger than the sum of its proper divisors (1).

56659 is an equidigital number, since it uses as much as digits as its factorization.

56659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 31.

The square root of 56659 is about 238.0315105191. The cubic root of 56659 is about 38.4081127969.

It can be divided in two parts, 566 and 59, that added together give a 4-th power (625 = 5⁴).

The spelling of 56659 in words is "fifty-six thousand, six hundred fifty-nine".