57117611 has 2 divisors, whose sum is σ = 57117612. Its totient is φ = 57117610.

The previous prime is 57117547. The next prime is 57117649. The reversal of 57117611 is 11671175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57117611 - 2⁶ = 57117547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57110611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28558805 + 28558806.

It is an arithmetic number, because the mean of its divisors is an integer number (28558806).

Almost surely, 2^57117611 is an apocalyptic number.

57117611 is a deficient number, since it is larger than the sum of its proper divisors (1).

57117611 is an equidigital number, since it uses as much as digits as its factorization.

57117611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1470, while the sum is 29.

The square root of 57117611 is about 7557.6194003138. The cubic root of 57117611 is about 385.1146248903.

Adding to 57117611 its reverse (11671175), we get a palindrome (68788786).

The spelling of 57117611 in words is "fifty-seven million, one hundred seventeen thousand, six hundred eleven".