57244289 has 8 divisors (see below), whose sum is σ = 59429160. Its totient is φ = 55073536.

The previous prime is 57244267. The next prime is 57244301. The reversal of 57244289 is 98244275.

57244289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22963264 + 34281025 = 4792^2 + 5855^2 .

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 57244289 - 2¹² = 57240193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57244189) 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 7 ways as a sum of consecutive naturals, for example, 5129 + ... + 11865.

It is an arithmetic number, because the mean of its divisors is an integer number (7428645).

Almost surely, 2^57244289 is an apocalyptic number.

It is an amenable number.

57244289 is a deficient number, since it is larger than the sum of its proper divisors (2184871).

57244289 is a wasteful number, since it uses less digits than its factorization.

57244289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7059.

The product of its digits is 161280, while the sum is 41.

The square root of 57244289 is about 7565.9955722958. The cubic root of 57244289 is about 385.3991228336.

The spelling of 57244289 in words is "fifty-seven million, two hundred forty-four thousand, two hundred eighty-nine".