57000067 has 2 divisors, whose sum is σ = 57000068. Its totient is φ = 57000066.

The previous prime is 57000059. The next prime is 57000071. The reversal of 57000067 is 76000075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57000067 - 2³ = 57000059 is a prime.

It is not a weakly prime, because it can be changed into another prime (57000037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28500033 + 28500034.

It is an arithmetic number, because the mean of its divisors is an integer number (28500034).

Almost surely, 2^57000067 is an apocalyptic number.

57000067 is a deficient number, since it is larger than the sum of its proper divisors (1).

57000067 is an equidigital number, since it uses as much as digits as its factorization.

57000067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 57000067 is about 7549.8388724528. The cubic root of 57000067 is about 384.8502639168.

The spelling of 57000067 in words is "fifty-seven million, sixty-seven", and thus it is an aban number and an uban number.