57842117 has 2 divisors, whose sum is σ = 57842118. Its totient is φ = 57842116.

The previous prime is 57842093. The next prime is 57842149. The reversal of 57842117 is 71124875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37039396 + 20802721 = 6086^2 + 4561^2 .

It is a cyclic number.

It is not a de Polignac number, because 57842117 - 2⁶ = 57842053 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 (57842417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28921058 + 28921059.

It is an arithmetic number, because the mean of its divisors is an integer number (28921059).

Almost surely, 2^57842117 is an apocalyptic number.

It is an amenable number.

57842117 is a deficient number, since it is larger than the sum of its proper divisors (1).

57842117 is an equidigital number, since it uses as much as digits as its factorization.

57842117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 35.

The square root of 57842117 is about 7605.4005154232. The cubic root of 57842117 is about 386.7361117673.

The spelling of 57842117 in words is "fifty-seven million, eight hundred forty-two thousand, one hundred seventeen".