57030418 has 4 divisors (see below), whose sum is σ = 85545630. Its totient is φ = 28515208.

The previous prime is 57030397. The next prime is 57030437. The reversal of 57030418 is 81403075.

57030418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53978409 + 3052009 = 7347^2 + 1747^2 .

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 as a sum of consecutive naturals, namely, 14257603 + ... + 14257606.

Almost surely, 2^57030418 is an apocalyptic number.

57030418 is a deficient number, since it is larger than the sum of its proper divisors (28515212).

57030418 is a wasteful number, since it uses less digits than its factorization.

57030418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28515211.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 57030418 is about 7551.8486478478. The cubic root of 57030418 is about 384.9185592621.

The spelling of 57030418 in words is "fifty-seven million, thirty thousand, four hundred eighteen".