57943040 has 44 divisors (see below), whose sum is σ = 139007676. Its totient is φ = 23175168.

The previous prime is 57943037. The next prime is 57943069. The reversal of 57943040 is 4034975.

It can be written as a sum of positive squares in 2 ways, for example, as 42198016 + 15745024 = 6496^2 + 3968^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 57942988 and 57943006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539 + ... + 10778.

Almost surely, 2^57943040 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 57943040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69503838).

57943040 is an abundant number, since it is smaller than the sum of its proper divisors (81064636).

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

57943040 is a wasteful number, since it uses less digits than its factorization.

57943040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11342 (or 11324 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 57943040 is about 7612.0325800669. The cubic root of 57943040 is about 386.9609069650.

The spelling of 57943040 in words is "fifty-seven million, nine hundred forty-three thousand, forty".