57755782243 has 2 divisors, whose sum is σ = 57755782244. Its totient is φ = 57755782242.

The previous prime is 57755782211. The next prime is 57755782307. The reversal of 57755782243 is 34228755775.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57755782243 - 2⁵ = 57755782211 is a prime.

It is a super-2 number, since 2×57755782243² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57755482243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28877891121 + 28877891122.

It is an arithmetic number, because the mean of its divisors is an integer number (28877891122).

Almost surely, 2^57755782243 is an apocalyptic number.

57755782243 is a deficient number, since it is larger than the sum of its proper divisors (1).

57755782243 is an equidigital number, since it uses as much as digits as its factorization.

57755782243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464000, while the sum is 55.

The spelling of 57755782243 in words is "fifty-seven billion, seven hundred fifty-five million, seven hundred eighty-two thousand, two hundred forty-three".