57668111 has 2 divisors, whose sum is σ = 57668112. Its totient is φ = 57668110.

The previous prime is 57668087. The next prime is 57668113. The reversal of 57668111 is 11186675.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57668111 is a prime.

It is a super-2 number, since 2×57668111² = 6651222052616642, which contains 22 as substring.

Together with 57668113, 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 (57668113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28834055 + 28834056.

It is an arithmetic number, because the mean of its divisors is an integer number (28834056).

Almost surely, 2^57668111 is an apocalyptic number.

57668111 is a deficient number, since it is larger than the sum of its proper divisors (1).

57668111 is an equidigital number, since it uses as much as digits as its factorization.

57668111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 35.

The square root of 57668111 is about 7593.9522647960. The cubic root of 57668111 is about 386.3479171392.

The spelling of 57668111 in words is "fifty-seven million, six hundred sixty-eight thousand, one hundred eleven".