57805712 has 30 divisors (see below), whose sum is σ = 118844514. Its totient is φ = 27143680.

The previous prime is 57805711. The next prime is 57805721. The reversal of 57805712 is 21750875.

It can be written as a sum of positive squares in 3 ways, for example, as 7054336 + 50751376 = 2656^2 + 7124^2 .

It is not an unprimeable number, because it can be changed into a prime (57805711) 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 5 ways as a sum of consecutive naturals, for example, 125162 + ... + 125622.

Almost surely, 2^57805712 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 57805712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59422257).

57805712 is an abundant number, since it is smaller than the sum of its proper divisors (61038802).

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

57805712 is an equidigital number, since it uses as much as digits as its factorization.

57805712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 57805712 is about 7603.0067736390. The cubic root of 57805712 is about 386.6549593496.

The spelling of 57805712 in words is "fifty-seven million, eight hundred five thousand, seven hundred twelve".