57497205641 has 2 divisors, whose sum is σ = 57497205642. Its totient is φ = 57497205640.

The previous prime is 57497205589. The next prime is 57497205643. The reversal of 57497205641 is 14650279475.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39281654416 + 18215551225 = 198196^2 + 134965^2 .

It is a cyclic number.

It is not a de Polignac number, because 57497205641 - 2¹⁰ = 57497204617 is a prime.

Together with 57497205643, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57497205641.

It is not a weakly prime, because it can be changed into another prime (57497205643) 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, 28748602820 + 28748602821.

It is an arithmetic number, because the mean of its divisors is an integer number (28748602821).

Almost surely, 2^57497205641 is an apocalyptic number.

It is an amenable number.

57497205641 is a deficient number, since it is larger than the sum of its proper divisors (1).

57497205641 is an equidigital number, since it uses as much as digits as its factorization.

57497205641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 57497205641 in words is "fifty-seven billion, four hundred ninety-seven million, two hundred five thousand, six hundred forty-one".