57731352971 has 2 divisors, whose sum is σ = 57731352972. Its totient is φ = 57731352970.

The previous prime is 57731352919. The next prime is 57731353037. The reversal of 57731352971 is 17925313775.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57731352971 - 2⁶ = 57731352907 is a prime.

It is not a weakly prime, because it can be changed into another prime (57731352871) 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, 28865676485 + 28865676486.

It is an arithmetic number, because the mean of its divisors is an integer number (28865676486).

Almost surely, 2^57731352971 is an apocalyptic number.

57731352971 is a deficient number, since it is larger than the sum of its proper divisors (1).

57731352971 is an equidigital number, since it uses as much as digits as its factorization.

57731352971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1389150, while the sum is 50.

The spelling of 57731352971 in words is "fifty-seven billion, seven hundred thirty-one million, three hundred fifty-two thousand, nine hundred seventy-one".