57683440 has 20 divisors (see below), whose sum is σ = 134114184. Its totient is φ = 23073344.

The previous prime is 57683401. The next prime is 57683441. The reversal of 57683440 is 4438675.

57683440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 57683440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57683441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360442 + ... + 360601.

Almost surely, 2^57683440 is an apocalyptic number.

It is an amenable number.

57683440 is an abundant number, since it is smaller than the sum of its proper divisors (76430744).

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

57683440 is a wasteful number, since it uses less digits than its factorization.

57683440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721056 (or 721050 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 57683440 is about 7594.9614877233. The cubic root of 57683440 is about 386.3821463545.

The spelling of 57683440 in words is "fifty-seven million, six hundred eighty-three thousand, four hundred forty".