57840082 has 4 divisors (see below), whose sum is σ = 86760126. Its totient is φ = 28920040.

The previous prime is 57840077. The next prime is 57840089. The reversal of 57840082 is 28004875.

57840082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 56565441 + 1274641 = 7521^2 + 1129^2 .

It is not an unprimeable number, because it can be changed into a prime (57840089) 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 as a sum of consecutive naturals, namely, 14460019 + ... + 14460022.

Almost surely, 2^57840082 is an apocalyptic number.

57840082 is a deficient number, since it is larger than the sum of its proper divisors (28920044).

57840082 is a wasteful number, since it uses less digits than its factorization.

57840082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28920043.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 57840082 is about 7605.2667277355. The cubic root of 57840082 is about 386.7315763338.

The spelling of 57840082 in words is "fifty-seven million, eight hundred forty thousand, eighty-two".