57271444 has 12 divisors (see below), whose sum is σ = 101218068. Its totient is φ = 28352000.

The previous prime is 57271441. The next prime is 57271463. The reversal of 57271444 is 44417275.

It is a happy number.

57271444 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 2 ways, for example, as 35760400 + 21511044 = 5980^2 + 4638^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57271441) 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, 70477 + ... + 71284.

It is an arithmetic number, because the mean of its divisors is an integer number (8434839).

Almost surely, 2^57271444 is an apocalyptic number.

It is an amenable number.

57271444 is a deficient number, since it is larger than the sum of its proper divisors (43946624).

57271444 is a wasteful number, since it uses less digits than its factorization.

57271444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141866 (or 141864 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 57271444 is about 7567.7899019463. The cubic root of 57271444 is about 385.4600538537.

The spelling of 57271444 in words is "fifty-seven million, two hundred seventy-one thousand, four hundred forty-four".