57171633889 has 2 divisors, whose sum is σ = 57171633890. Its totient is φ = 57171633888.

The previous prime is 57171633887. The next prime is 57171633907. The reversal of 57171633889 is 98833617175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52031891025 + 5139742864 = 228105^2 + 71692^2 .

It is a cyclic number.

It is not a de Polignac number, because 57171633889 - 2¹ = 57171633887 is a prime.

Together with 57171633887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57171633887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28585816944 + 28585816945.

It is an arithmetic number, because the mean of its divisors is an integer number (28585816945).

Almost surely, 2^57171633889 is an apocalyptic number.

It is an amenable number.

57171633889 is a deficient number, since it is larger than the sum of its proper divisors (1).

57171633889 is an equidigital number, since it uses as much as digits as its factorization.

57171633889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 58.

The spelling of 57171633889 in words is "fifty-seven billion, one hundred seventy-one million, six hundred thirty-three thousand, eight hundred eighty-nine".