57068147 has 2 divisors, whose sum is σ = 57068148. Its totient is φ = 57068146.

The previous prime is 57068111. The next prime is 57068159. The reversal of 57068147 is 74186075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57068147 - 2⁸ = 57067891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57068147.

It is not a weakly prime, because it can be changed into another prime (57068177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28534073 + 28534074.

It is an arithmetic number, because the mean of its divisors is an integer number (28534074).

Almost surely, 2^57068147 is an apocalyptic number.

57068147 is a deficient number, since it is larger than the sum of its proper divisors (1).

57068147 is an equidigital number, since it uses as much as digits as its factorization.

57068147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 57068147 is about 7554.3462324678. The cubic root of 57068147 is about 385.0034226940.

The spelling of 57068147 in words is "fifty-seven million, sixty-eight thousand, one hundred forty-seven".