57968161 has 2 divisors, whose sum is σ = 57968162. Its totient is φ = 57968160.

The previous prime is 57968153. The next prime is 57968173. The reversal of 57968161 is 16186975.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41525136 + 16443025 = 6444^2 + 4055^2 .

It is a cyclic number.

It is not a de Polignac number, because 57968161 - 2³ = 57968153 is a prime.

It is not a weakly prime, because it can be changed into another prime (57968191) 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 as a sum of consecutive naturals, namely, 28984080 + 28984081.

It is an arithmetic number, because the mean of its divisors is an integer number (28984081).

Almost surely, 2^57968161 is an apocalyptic number.

It is an amenable number.

57968161 is a deficient number, since it is larger than the sum of its proper divisors (1).

57968161 is an equidigital number, since it uses as much as digits as its factorization.

57968161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 43.

The square root of 57968161 is about 7613.6824861561. The cubic root of 57968161 is about 387.0168207295.

The spelling of 57968161 in words is "fifty-seven million, nine hundred sixty-eight thousand, one hundred sixty-one".