57856893 has 8 divisors (see below), whose sum is σ = 78072288. Its totient is φ = 38106384.

The previous prime is 57856889. The next prime is 57856901. The reversal of 57856893 is 39865875.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57856893 - 2² = 57856889 is a prime.

It is a super-2 number, since 2×57856893² = 6694840135226898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57856823) 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 in 7 ways as a sum of consecutive naturals, for example, 115930 + ... + 116427.

It is an arithmetic number, because the mean of its divisors is an integer number (9759036).

Almost surely, 2^57856893 is an apocalyptic number.

It is an amenable number.

57856893 is a deficient number, since it is larger than the sum of its proper divisors (20215395).

57856893 is a wasteful number, since it uses less digits than its factorization.

57856893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232443.

The product of its digits is 1814400, while the sum is 51.

The square root of 57856893 is about 7606.3718683746. The cubic root of 57856893 is about 386.7690400588.

The spelling of 57856893 in words is "fifty-seven million, eight hundred fifty-six thousand, eight hundred ninety-three".