57448837373 has 2 divisors, whose sum is σ = 57448837374. Its totient is φ = 57448837372.

The previous prime is 57448837349. The next prime is 57448837387. The reversal of 57448837373 is 37373884475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29023551769 + 28425285604 = 170363^2 + 168598^2 .

It is a cyclic number.

It is not a de Polignac number, because 57448837373 - 2⁶ = 57448837309 is a prime.

It is a super-2 number, since 2×57448837373² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57448837073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28724418686 + 28724418687.

It is an arithmetic number, because the mean of its divisors is an integer number (28724418687).

Almost surely, 2^57448837373 is an apocalyptic number.

It is an amenable number.

57448837373 is a deficient number, since it is larger than the sum of its proper divisors (1).

57448837373 is an equidigital number, since it uses as much as digits as its factorization.

57448837373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47416320, while the sum is 59.

The spelling of 57448837373 in words is "fifty-seven billion, four hundred forty-eight million, eight hundred thirty-seven thousand, three hundred seventy-three".