57285167 has 2 divisors, whose sum is σ = 57285168. Its totient is φ = 57285166.

The previous prime is 57285127. The next prime is 57285169. The reversal of 57285167 is 76158275.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57285167 is a prime.

Together with 57285169, 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 (57285169) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28642583 + 28642584.

It is an arithmetic number, because the mean of its divisors is an integer number (28642584).

Almost surely, 2^57285167 is an apocalyptic number.

57285167 is a deficient number, since it is larger than the sum of its proper divisors (1).

57285167 is an equidigital number, since it uses as much as digits as its factorization.

57285167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 41.

The square root of 57285167 is about 7568.6965192165. The cubic root of 57285167 is about 385.4908385142.

The spelling of 57285167 in words is "fifty-seven million, two hundred eighty-five thousand, one hundred sixty-seven".