57147067 has 2 divisors, whose sum is σ = 57147068. Its totient is φ = 57147066.

The previous prime is 57147061. The next prime is 57147089. The reversal of 57147067 is 76074175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57147067 - 2¹¹ = 57145019 is a prime.

It is not a weakly prime, because it can be changed into another prime (57147061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28573533 + 28573534.

It is an arithmetic number, because the mean of its divisors is an integer number (28573534).

Almost surely, 2^57147067 is an apocalyptic number.

57147067 is a deficient number, since it is larger than the sum of its proper divisors (1).

57147067 is an equidigital number, since it uses as much as digits as its factorization.

57147067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 57147067 is about 7559.5679109325. The cubic root of 57147067 is about 385.1808157242.

The spelling of 57147067 in words is "fifty-seven million, one hundred forty-seven thousand, sixty-seven".