57697111 has 2 divisors, whose sum is σ = 57697112. Its totient is φ = 57697110.

The previous prime is 57697067. The next prime is 57697147. The reversal of 57697111 is 11179675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57697111 - 2⁹ = 57696599 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57697151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28848555 + 28848556.

It is an arithmetic number, because the mean of its divisors is an integer number (28848556).

Almost surely, 2^57697111 is an apocalyptic number.

57697111 is a deficient number, since it is larger than the sum of its proper divisors (1).

57697111 is an equidigital number, since it uses as much as digits as its factorization.

57697111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 37.

The square root of 57697111 is about 7595.8614389679. The cubic root of 57697111 is about 386.4126681881.

It can be divided in two parts, 5769 and 7111, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 57697111 in words is "fifty-seven million, six hundred ninety-seven thousand, one hundred eleven".