57283456 has 16 divisors (see below), whose sum is σ = 114119640. Its totient is φ = 28641664.

The previous prime is 57283451. The next prime is 57283469. The reversal of 57283456 is 65438275.

It is a tau number, because it is divible by the number of its divisors (16).

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 polite number, since it can be written as a sum of consecutive naturals, namely, 223636 + ... + 223891.

Almost surely, 2^57283456 is an apocalyptic number.

It is an amenable number.

57283456 is a deficient number, since it is larger than the sum of its proper divisors (56836184).

57283456 is an equidigital number, since it uses as much as digits as its factorization.

57283456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447541 (or 447529 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 57283456 is about 7568.5834870205. The cubic root of 57283456 is about 385.4870005144.

The spelling of 57283456 in words is "fifty-seven million, two hundred eighty-three thousand, four hundred fifty-six".