57491456597 has 2 divisors, whose sum is σ = 57491456598. Its totient is φ = 57491456596.

The previous prime is 57491456593. The next prime is 57491456599. The reversal of 57491456597 is 79565419475.

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., 56694467236 + 796989361 = 238106^2 + 28231^2 .

It is a cyclic number.

It is not a de Polignac number, because 57491456597 - 2² = 57491456593 is a prime.

Together with 57491456599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57491456591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28745728298 + 28745728299.

It is an arithmetic number, because the mean of its divisors is an integer number (28745728299).

Almost surely, 2^57491456597 is an apocalyptic number.

It is an amenable number.

57491456597 is a deficient number, since it is larger than the sum of its proper divisors (1).

57491456597 is an equidigital number, since it uses as much as digits as its factorization.

57491456597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628000, while the sum is 62.

The spelling of 57491456597 in words is "fifty-seven billion, four hundred ninety-one million, four hundred fifty-six thousand, five hundred ninety-seven".