57250622321 has 2 divisors, whose sum is σ = 57250622322. Its totient is φ = 57250622320.

The previous prime is 57250622311. The next prime is 57250622323. The reversal of 57250622321 is 12322605275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46259406400 + 10991215921 = 215080^2 + 104839^2 .

It is a cyclic number.

It is not a de Polignac number, because 57250622321 - 2⁶ = 57250622257 is a prime.

It is a super-2 number, since 2×57250622321² (a number of 22 digits) contains 22 as substring.

Together with 57250622323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57250622323) 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, 28625311160 + 28625311161.

It is an arithmetic number, because the mean of its divisors is an integer number (28625311161).

Almost surely, 2^57250622321 is an apocalyptic number.

It is an amenable number.

57250622321 is a deficient number, since it is larger than the sum of its proper divisors (1).

57250622321 is an equidigital number, since it uses as much as digits as its factorization.

57250622321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 57250622321 in words is "fifty-seven billion, two hundred fifty million, six hundred twenty-two thousand, three hundred twenty-one".