57282838 has 4 divisors (see below), whose sum is σ = 85924260. Its totient is φ = 28641418.

The previous prime is 57282791. The next prime is 57282839. The reversal of 57282838 is 83828275.

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

It is a junction number, because it is equal to n+sod(n) for n = 57282794 and 57282803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57282839) 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 as a sum of consecutive naturals, namely, 14320708 + ... + 14320711.

It is an arithmetic number, because the mean of its divisors is an integer number (21481065).

Almost surely, 2^57282838 is an apocalyptic number.

57282838 is a deficient number, since it is larger than the sum of its proper divisors (28641422).

57282838 is a wasteful number, since it uses less digits than its factorization.

57282838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28641421.

The product of its digits is 215040, while the sum is 43.

The square root of 57282838 is about 7568.5426602484. The cubic root of 57282838 is about 385.4856142396.

The spelling of 57282838 in words is "fifty-seven million, two hundred eighty-two thousand, eight hundred thirty-eight".