57258056 has 8 divisors (see below), whose sum is σ = 107358870. Its totient is φ = 28629024.

The previous prime is 57258053. The next prime is 57258059. The reversal of 57258056 is 65085275.

It is an interprime number because it is at equal distance from previous prime (57258053) and next prime (57258059).

It can be written as a sum of positive squares in only one way, i.e., 50836900 + 6421156 = 7130^2 + 2534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (57258053) 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 as a sum of consecutive naturals, namely, 3578621 + ... + 3578636.

Almost surely, 2^57258056 is an apocalyptic number.

It is an amenable number.

57258056 is a deficient number, since it is larger than the sum of its proper divisors (50100814).

57258056 is a wasteful number, since it uses less digits than its factorization.

57258056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157263 (or 7157259 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 57258056 is about 7566.9053119489. The cubic root of 57258056 is about 385.4300159558.

The spelling of 57258056 in words is "fifty-seven million, two hundred fifty-eight thousand, fifty-six".