57534181 has 2 divisors, whose sum is σ = 57534182. Its totient is φ = 57534180.

The previous prime is 57534151. The next prime is 57534187. The reversal of 57534181 is 18143575.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38750625 + 18783556 = 6225^2 + 4334^2 .

It is a cyclic number.

It is not a de Polignac number, because 57534181 - 2¹⁷ = 57403109 is a prime.

It is a super-2 number, since 2×57534181² = 6620363966681522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57534187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28767090 + 28767091.

It is an arithmetic number, because the mean of its divisors is an integer number (28767091).

Almost surely, 2^57534181 is an apocalyptic number.

It is an amenable number.

57534181 is a deficient number, since it is larger than the sum of its proper divisors (1).

57534181 is an equidigital number, since it uses as much as digits as its factorization.

57534181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 34.

The square root of 57534181 is about 7585.1289375989. The cubic root of 57534181 is about 386.0485969759.

The spelling of 57534181 in words is "fifty-seven million, five hundred thirty-four thousand, one hundred eighty-one".