57068047 has 2 divisors, whose sum is σ = 57068048. Its totient is φ = 57068046.

The previous prime is 57068021. The next prime is 57068057. The reversal of 57068047 is 74086075.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57068047 - 2⁷ = 57067919 is a prime.

It is a Chen prime.

It is equal to p_3398239 and since 57068047 and 3398239 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 57067997 and 57068015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57068017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28534023 + 28534024.

It is an arithmetic number, because the mean of its divisors is an integer number (28534024).

Almost surely, 2^57068047 is an apocalyptic number.

57068047 is the 4362-nd hex number.

57068047 is a deficient number, since it is larger than the sum of its proper divisors (1).

57068047 is an equidigital number, since it uses as much as digits as its factorization.

57068047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 57068047 is about 7554.3396137584. The cubic root of 57068047 is about 385.0031978146.

The spelling of 57068047 in words is "fifty-seven million, sixty-eight thousand, forty-seven".