57027856 has 40 divisors (see below), whose sum is σ = 115885440. Its totient is φ = 27134976.

The previous prime is 57027829. The next prime is 57027857. The reversal of 57027856 is 65872075.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57027857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129685 + ... + 130123.

It is an arithmetic number, because the mean of its divisors is an integer number (2897136).

Almost surely, 2^57027856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57027856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57942720).

57027856 is an abundant number, since it is smaller than the sum of its proper divisors (58857584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57027856 is a wasteful number, since it uses less digits than its factorization.

57027856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 57027856 is about 7551.6790186024. The cubic root of 57027856 is about 384.9127952263.

The spelling of 57027856 in words is "fifty-seven million, twenty-seven thousand, eight hundred fifty-six".