56597 has 2 divisors, whose sum is σ = 56598. Its totient is φ = 56596.

The previous prime is 56591. The next prime is 56599. The reversal of 56597 is 79565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42436 + 14161 = 206^2 + 119^2 .

It is a cyclic number.

It is not a de Polignac number, because 56597 - 2⁶ = 56533 is a prime.

Together with 56599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28298 + 28299.

It is an arithmetic number, because the mean of its divisors is an integer number (28299).

2⁵⁶⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

56597 is a deficient number, since it is larger than the sum of its proper divisors (1).

56597 is an equidigital number, since it uses as much as digits as its factorization.

56597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 32.

The square root of 56597 is about 237.9012400136. The cubic root of 56597 is about 38.3940981236.

Subtracting from 56597 its sum of digits (32), we obtain a palindrome (56565).

The spelling of 56597 in words is "fifty-six thousand, five hundred ninety-seven".