56897 has 2 divisors, whose sum is σ = 56898. Its totient is φ = 56896.

The previous prime is 56893. The next prime is 56909. The reversal of 56897 is 79865.

56897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30976 + 25921 = 176^2 + 161^2 .

It is a cyclic number.

It is not a de Polignac number, because 56897 - 2² = 56893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28448 + 28449.

It is an arithmetic number, because the mean of its divisors is an integer number (28449).

2⁵⁶⁸⁹⁷ is an apocalyptic number.

56897 is the 128-th centered heptagonal number.

It is an amenable number.

56897 is a deficient number, since it is larger than the sum of its proper divisors (1).

56897 is an equidigital number, since it uses as much as digits as its factorization.

56897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 56897 is about 238.5309204275. The cubic root of 56897 is about 38.4618163057.

The spelling of 56897 in words is "fifty-six thousand, eight hundred ninety-seven".