57055171 has 2 divisors, whose sum is σ = 57055172. Its totient is φ = 57055170.

The previous prime is 57055153. The next prime is 57055177. The reversal of 57055171 is 17155075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57055171 - 2¹⁷ = 56924099 is a prime.

It is equal to p_3397504 and since 57055171 and 3397504 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (57055177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28527585 + 28527586.

It is an arithmetic number, because the mean of its divisors is an integer number (28527586).

Almost surely, 2^57055171 is an apocalyptic number.

57055171 is a deficient number, since it is larger than the sum of its proper divisors (1).

57055171 is an equidigital number, since it uses as much as digits as its factorization.

57055171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6125, while the sum is 31.

The square root of 57055171 is about 7553.4873402952. The cubic root of 57055171 is about 384.9742401385.

The spelling of 57055171 in words is "fifty-seven million, fifty-five thousand, one hundred seventy-one".