57872044057 has 2 divisors, whose sum is σ = 57872044058. Its totient is φ = 57872044056.

The previous prime is 57872044031. The next prime is 57872044177. The reversal of 57872044057 is 75044027875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56670659136 + 1201384921 = 238056^2 + 34661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57872044057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57872044057.

It is not a weakly prime, because it can be changed into another prime (57875044057) 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, 28936022028 + 28936022029.

It is an arithmetic number, because the mean of its divisors is an integer number (28936022029).

Almost surely, 2^57872044057 is an apocalyptic number.

It is an amenable number.

57872044057 is a deficient number, since it is larger than the sum of its proper divisors (1).

57872044057 is an equidigital number, since it uses as much as digits as its factorization.

57872044057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2195200, while the sum is 49.

The spelling of 57872044057 in words is "fifty-seven billion, eight hundred seventy-two million, forty-four thousand, fifty-seven".