57843240 has 128 divisors (see below), whose sum is σ = 213615360. Its totient is φ = 12201984.

The previous prime is 57843223. The next prime is 57843259. The reversal of 57843240 is 4234875.

57843240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8272 + ... + 13568.

It is an arithmetic number, because the mean of its divisors is an integer number (1668870).

Almost surely, 2^57843240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57843240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106807680).

57843240 is an abundant number, since it is smaller than the sum of its proper divisors (155772120).

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

57843240 is a wasteful number, since it uses less digits than its factorization.

57843240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331 (or 5327 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 57843240 is about 7605.4743441813. The cubic root of 57843240 is about 386.7386145678.

The spelling of 57843240 in words is "fifty-seven million, eight hundred forty-three thousand, two hundred forty".