57172075577443 has 2 divisors, whose sum is σ = 57172075577444. Its totient is φ = 57172075577442.

The previous prime is 57172075577423. The next prime is 57172075577467. The reversal of 57172075577443 is 34477557027175.

57172075577443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57172075577443 is a prime.

It is not a weakly prime, because it can be changed into another prime (57172075577423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28586037788721 + 28586037788722.

It is an arithmetic number, because the mean of its divisors is an integer number (28586037788722).

Almost surely, 2^{57172075577443} is an apocalyptic number.

57172075577443 is a deficient number, since it is larger than the sum of its proper divisors (1).

57172075577443 is an equidigital number, since it uses as much as digits as its factorization.

57172075577443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201684000, while the sum is 64.

The spelling of 57172075577443 in words is "fifty-seven trillion, one hundred seventy-two billion, seventy-five million, five hundred seventy-seven thousand, four hundred forty-three".