57075250181 has 2 divisors, whose sum is σ = 57075250182. Its totient is φ = 57075250180.

The previous prime is 57075250153. The next prime is 57075250249. The reversal of 57075250181 is 18105257075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50075250625 + 6999999556 = 223775^2 + 83666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57075250181 is a prime.

It is a super-2 number, since 2×57075250181² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57075256181) 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, 28537625090 + 28537625091.

It is an arithmetic number, because the mean of its divisors is an integer number (28537625091).

Almost surely, 2^57075250181 is an apocalyptic number.

It is an amenable number.

57075250181 is a deficient number, since it is larger than the sum of its proper divisors (1).

57075250181 is an equidigital number, since it uses as much as digits as its factorization.

57075250181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98000, while the sum is 41.

The spelling of 57075250181 in words is "fifty-seven billion, seventy-five million, two hundred fifty thousand, one hundred eighty-one".