57943842 has 16 divisors (see below), whose sum is σ = 126423072. Its totient is φ = 17558720.

The previous prime is 57943829. The next prime is 57943849. The reversal of 57943842 is 24834975.

It is a junction number, because it is equal to n+sod(n) for n = 57943794 and 57943803.

It is not an unprimeable number, because it can be changed into a prime (57943849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438903 + ... + 439034.

It is an arithmetic number, because the mean of its divisors is an integer number (7901442).

Almost surely, 2^57943842 is an apocalyptic number.

57943842 is an abundant number, since it is smaller than the sum of its proper divisors (68479230).

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

57943842 is a wasteful number, since it uses less digits than its factorization.

57943842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877953.

The product of its digits is 241920, while the sum is 42.

The square root of 57943842 is about 7612.0852596381. The cubic root of 57943842 is about 386.9626922886.

It can be divided in two parts, 57943 and 842, that added together give a palindrome (58785).

The spelling of 57943842 in words is "fifty-seven million, nine hundred forty-three thousand, eight hundred forty-two".