57855838 has 8 divisors (see below), whose sum is σ = 88900560. Its totient is φ = 28222320.

The previous prime is 57855799. The next prime is 57855857. The reversal of 57855838 is 83855875.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 57855791 and 57855800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352698 + ... + 352861.

It is an arithmetic number, because the mean of its divisors is an integer number (11112570).

Almost surely, 2^57855838 is an apocalyptic number.

57855838 is a deficient number, since it is larger than the sum of its proper divisors (31044722).

57855838 is a wasteful number, since it uses less digits than its factorization.

57855838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705602.

The product of its digits is 1344000, while the sum is 49.

The square root of 57855838 is about 7606.3025183068. The cubic root of 57855838 is about 386.7666891789.

The spelling of 57855838 in words is "fifty-seven million, eight hundred fifty-five thousand, eight hundred thirty-eight".