57030812 has 12 divisors (see below), whose sum is σ = 101171616. Its totient is φ = 28124640.

The previous prime is 57030803. The next prime is 57030829. The reversal of 57030812 is 21803075.

57030812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 97364 + ... + 97947.

It is an arithmetic number, because the mean of its divisors is an integer number (8430968).

Almost surely, 2^57030812 is an apocalyptic number.

It is an amenable number.

57030812 is a deficient number, since it is larger than the sum of its proper divisors (44140804).

57030812 is a wasteful number, since it uses less digits than its factorization.

57030812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195388 (or 195386 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 57030812 is about 7551.8747341306. The cubic root of 57030812 is about 384.9194456754.

Adding to 57030812 its reverse (21803075), we get a palindrome (78833887).

The spelling of 57030812 in words is "fifty-seven million, thirty thousand, eight hundred twelve".