57085885943 has 4 divisors (see below), whose sum is σ = 59567881008. Its totient is φ = 54603890880.

The previous prime is 57085885919. The next prime is 57085886089. The reversal of 57085885943 is 34958858075.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57085885943 - 2²⁰ = 57084837367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57085885343) 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 in 3 ways as a sum of consecutive naturals, for example, 1240997498 + ... + 1240997543.

It is an arithmetic number, because the mean of its divisors is an integer number (14891970252).

Almost surely, 2^57085885943 is an apocalyptic number.

57085885943 is a deficient number, since it is larger than the sum of its proper divisors (2481995065).

57085885943 is a wasteful number, since it uses less digits than its factorization.

57085885943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481995064.

The product of its (nonzero) digits is 48384000, while the sum is 62.

The spelling of 57085885943 in words is "fifty-seven billion, eighty-five million, eight hundred eighty-five thousand, nine hundred forty-three".