57043328 has 32 divisors (see below), whose sum is σ = 113982960. Its totient is φ = 28435968.

The previous prime is 57043321. The next prime is 57043351. The reversal of 57043328 is 82334075.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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 = 57043294 and 57043303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57043321) 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 in 3 ways as a sum of consecutive naturals, for example, 78101 + ... + 78827.

Almost surely, 2^57043328 is an apocalyptic number.

It is an amenable number.

57043328 is a deficient number, since it is larger than the sum of its proper divisors (56939632).

57043328 is an equidigital number, since it uses as much as digits as its factorization.

57043328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 57043328 is about 7552.7033570769. The cubic root of 57043328 is about 384.9476017968.

The spelling of 57043328 in words is "fifty-seven million, forty-three thousand, three hundred twenty-eight".