57717641 has 2 divisors, whose sum is σ = 57717642. Its totient is φ = 57717640.

The previous prime is 57717623. The next prime is 57717643. The reversal of 57717641 is 14671775.

It is a happy number.

57717641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46854025 + 10863616 = 6845^2 + 3296^2 .

It is a cyclic number.

It is not a de Polignac number, because 57717641 - 2⁶ = 57717577 is a prime.

Together with 57717643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57717595 and 57717604.

It is not a weakly prime, because it can be changed into another prime (57717643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28858820 + 28858821.

It is an arithmetic number, because the mean of its divisors is an integer number (28858821).

Almost surely, 2^57717641 is an apocalyptic number.

It is an amenable number.

57717641 is a deficient number, since it is larger than the sum of its proper divisors (1).

57717641 is an equidigital number, since it uses as much as digits as its factorization.

57717641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41160, while the sum is 38.

The square root of 57717641 is about 7597.2127125677. The cubic root of 57717641 is about 386.4584943494.

The spelling of 57717641 in words is "fifty-seven million, seven hundred seventeen thousand, six hundred forty-one".