57040804 has 12 divisors (see below), whose sum is σ = 99883084. Its totient is φ = 28502784.

The previous prime is 57040801. The next prime is 57040817. The reversal of 57040804 is 40804075.

It can be written as a sum of positive squares in 2 ways, for example, as 2310400 + 54730404 = 1520^2 + 7398^2 .

It is not an unprimeable number, because it can be changed into a prime (57040801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5212 + ... + 11884.

Almost surely, 2^57040804 is an apocalyptic number.

It is an amenable number.

57040804 is a deficient number, since it is larger than the sum of its proper divisors (42842280).

57040804 is a wasteful number, since it uses less digits than its factorization.

57040804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814 (or 8812 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 57040804 is about 7552.5362627398. The cubic root of 57040804 is about 384.9419241122.

Adding to 57040804 its reverse (40804075), we get a palindrome (97844879).

The spelling of 57040804 in words is "fifty-seven million, forty thousand, eight hundred four".