53568881 has 2 divisors, whose sum is σ = 53568882. Its totient is φ = 53568880.

The previous prime is 53568869. The next prime is 53568883. The reversal of 53568881 is 18886535.

53568881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39250225 + 14318656 = 6265^2 + 3784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53568881 is a prime.

It is a super-2 number, since 2×53568881² = 5739250023184322, which contains 22 as substring.

Together with 53568883, 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 (53568883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26784440 + 26784441.

It is an arithmetic number, because the mean of its divisors is an integer number (26784441).

Almost surely, 2^53568881 is an apocalyptic number.

It is an amenable number.

53568881 is a deficient number, since it is larger than the sum of its proper divisors (1).

53568881 is an equidigital number, since it uses as much as digits as its factorization.

53568881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 44.

The square root of 53568881 is about 7319.0765127849. The cubic root of 53568881 is about 376.9677448500.

The spelling of 53568881 in words is "fifty-three million, five hundred sixty-eight thousand, eight hundred eighty-one".