57447392 has 24 divisors (see below), whose sum is σ = 114107616. Its totient is φ = 28467712.

The previous prime is 57447391. The next prime is 57447407. The reversal of 57447392 is 29374475.

57447392 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 not an unprimeable number, because it can be changed into a prime (57447391) by changing a digit.

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, 4328 + ... + 11559.

It is an arithmetic number, because the mean of its divisors is an integer number (4754484).

Almost surely, 2^57447392 is an apocalyptic number.

It is an amenable number.

57447392 is a deficient number, since it is larger than the sum of its proper divisors (56660224).

57447392 is a wasteful number, since it uses less digits than its factorization.

57447392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16010 (or 16002 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 57447392 is about 7579.4057814581. The cubic root of 57447392 is about 385.8543841196.

The spelling of 57447392 in words is "fifty-seven million, four hundred forty-seven thousand, three hundred ninety-two".