57044281 has 12 divisors (see below), whose sum is σ = 66648960. Its totient is φ = 48680520.

The previous prime is 57044279. The next prime is 57044353. The reversal of 57044281 is 18244075.

It is not a de Polignac number, because 57044281 - 2¹ = 57044279 is a prime.

It is a super-2 number, since 2×57044281² = 6508099989613922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57044261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9276 + ... + 14146.

It is an arithmetic number, because the mean of its divisors is an integer number (5554080).

Almost surely, 2^57044281 is an apocalyptic number.

It is an amenable number.

57044281 is a deficient number, since it is larger than the sum of its proper divisors (9604679).

57044281 is a wasteful number, since it uses less digits than its factorization.

57044281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124 (or 5117 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 57044281 is about 7552.7664468061. The cubic root of 57044281 is about 384.9497455066.

The spelling of 57044281 in words is "fifty-seven million, forty-four thousand, two hundred eighty-one".