53897 has 2 divisors, whose sum is σ = 53898. Its totient is φ = 53896.

The previous prime is 53891. The next prime is 53899. The reversal of 53897 is 79835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50176 + 3721 = 224^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 53897 - 2⁴ = 53881 is a prime.

Together with 53899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26948 + 26949.

It is an arithmetic number, because the mean of its divisors is an integer number (26949).

2⁵³⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

53897 is a deficient number, since it is larger than the sum of its proper divisors (1).

53897 is an equidigital number, since it uses as much as digits as its factorization.

53897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 53897 is about 232.1572742776. The cubic root of 53897 is about 37.7735843737.

The spelling of 53897 in words is "fifty-three thousand, eight hundred ninety-seven".