57326046181 has 2 divisors, whose sum is σ = 57326046182. Its totient is φ = 57326046180.

The previous prime is 57326046179. The next prime is 57326046191. The reversal of 57326046181 is 18164062375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51845013025 + 5481033156 = 227695^2 + 74034^2 .

It is a cyclic number.

It is not a de Polignac number, because 57326046181 - 2¹ = 57326046179 is a prime.

It is a super-2 number, since 2×57326046181² (a number of 22 digits) contains 22 as substring.

Together with 57326046179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57326046191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28663023090 + 28663023091.

It is an arithmetic number, because the mean of its divisors is an integer number (28663023091).

Almost surely, 2^57326046181 is an apocalyptic number.

It is an amenable number.

57326046181 is a deficient number, since it is larger than the sum of its proper divisors (1).

57326046181 is an equidigital number, since it uses as much as digits as its factorization.

57326046181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 57326046181 in words is "fifty-seven billion, three hundred twenty-six million, forty-six thousand, one hundred eighty-one".