57251128577 has 2 divisors, whose sum is σ = 57251128578. Its totient is φ = 57251128576.

The previous prime is 57251128573. The next prime is 57251128603. The reversal of 57251128577 is 77582115275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50104793281 + 7146335296 = 223841^2 + 84536^2 .

It is a cyclic number.

It is not a de Polignac number, because 57251128577 - 2² = 57251128573 is a prime.

It is not a weakly prime, because it can be changed into another prime (57251128573) 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, 28625564288 + 28625564289.

It is an arithmetic number, because the mean of its divisors is an integer number (28625564289).

Almost surely, 2^57251128577 is an apocalyptic number.

It is an amenable number.

57251128577 is a deficient number, since it is larger than the sum of its proper divisors (1).

57251128577 is an equidigital number, since it uses as much as digits as its factorization.

57251128577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1372000, while the sum is 50.

The spelling of 57251128577 in words is "fifty-seven billion, two hundred fifty-one million, one hundred twenty-eight thousand, five hundred seventy-seven".