57030404 has 12 divisors (see below), whose sum is σ = 100069200. Its totient is φ = 28439208.

The previous prime is 57030397. The next prime is 57030437. The reversal of 57030404 is 40403075.

It is a self number, because there is not a number n which added to its sum of digits gives 57030404.

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, 17294 + ... + 20325.

It is an arithmetic number, because the mean of its divisors is an integer number (8339100).

Almost surely, 2^57030404 is an apocalyptic number.

It is an amenable number.

57030404 is a deficient number, since it is larger than the sum of its proper divisors (43038796).

57030404 is a wasteful number, since it uses less digits than its factorization.

57030404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38002 (or 38000 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 57030404 is about 7551.8477209223. The cubic root of 57030404 is about 384.9185277652.

Adding to 57030404 its reverse (40403075), we get a palindrome (97433479).

The spelling of 57030404 in words is "fifty-seven million, thirty thousand, four hundred four".