57681171 has 24 divisors (see below), whose sum is σ = 88258560. Its totient is φ = 36224496.

The previous prime is 57681163. The next prime is 57681179. The reversal of 57681171 is 17118675.

It is a happy number.

57681171 is a `hidden beast` number, since 576 + 8 + 11 + 71 = 666.

It is an interprime number because it is at equal distance from previous prime (57681163) and next prime (57681179).

It is not a de Polignac number, because 57681171 - 2³ = 57681163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57681179) 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 in 23 ways as a sum of consecutive naturals, for example, 11790 + ... + 15948.

It is an arithmetic number, because the mean of its divisors is an integer number (3677440).

Almost surely, 2^57681171 is an apocalyptic number.

57681171 is a deficient number, since it is larger than the sum of its proper divisors (30577389).

57681171 is a wasteful number, since it uses less digits than its factorization.

57681171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255 (or 4252 counting only the distinct ones).

The product of its digits is 11760, while the sum is 36.

The square root of 57681171 is about 7594.8121109083. The cubic root of 57681171 is about 386.3770801253.

The spelling of 57681171 in words is "fifty-seven million, six hundred eighty-one thousand, one hundred seventy-one".