57028385 has 8 divisors (see below), whose sum is σ = 71409600. Its totient is φ = 43639024.

The previous prime is 57028379. The next prime is 57028393. The reversal of 57028385 is 58382075.

57028385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57028385 - 2¹⁰ = 57027361 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 247835 + ... + 248064.

It is an arithmetic number, because the mean of its divisors is an integer number (8926200).

Almost surely, 2^57028385 is an apocalyptic number.

It is an amenable number.

57028385 is a deficient number, since it is larger than the sum of its proper divisors (14381215).

57028385 is a wasteful number, since it uses less digits than its factorization.

57028385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495927.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 57028385 is about 7551.7140438446. The cubic root of 57028385 is about 384.9139853946.

The spelling of 57028385 in words is "fifty-seven million, twenty-eight thousand, three hundred eighty-five".