57283457 has 12 divisors (see below), whose sum is σ = 71960448. Its totient is φ = 44635800.

The previous prime is 57283451. The next prime is 57283469. The reversal of 57283457 is 75438275.

It is not a de Polignac number, because 57283457 - 2⁶ = 57283393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57283451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32969 + ... + 34662.

It is an arithmetic number, because the mean of its divisors is an integer number (5996704).

Almost surely, 2^57283457 is an apocalyptic number.

It is an amenable number.

57283457 is a deficient number, since it is larger than the sum of its proper divisors (14676991).

57283457 is a wasteful number, since it uses less digits than its factorization.

57283457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67660 (or 67649 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 57283457 is about 7568.5835530831. The cubic root of 57283457 is about 385.4870027575.

The spelling of 57283457 in words is "fifty-seven million, two hundred eighty-three thousand, four hundred fifty-seven".