57288945 has 16 divisors (see below), whose sum is σ = 104757120. Its totient is φ = 26189184.

The previous prime is 57288937. The next prime is 57288967. The reversal of 57288945 is 54988275.

57288945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57288945 - 2³ = 57288937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57288894 and 57288903.

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 15 ways as a sum of consecutive naturals, for example, 272700 + ... + 272909.

It is an arithmetic number, because the mean of its divisors is an integer number (6547320).

Almost surely, 2^57288945 is an apocalyptic number.

It is an amenable number.

57288945 is a deficient number, since it is larger than the sum of its proper divisors (47468175).

57288945 is a wasteful number, since it uses less digits than its factorization.

57288945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545624.

The product of its digits is 806400, while the sum is 48.

The square root of 57288945 is about 7568.9460957256. The cubic root of 57288945 is about 385.4993127985.

The spelling of 57288945 in words is "fifty-seven million, two hundred eighty-eight thousand, nine hundred forty-five".