57258 has 12 divisors (see below), whose sum is σ = 124098. Its totient is φ = 19080.

The previous prime is 57251. The next prime is 57259. The reversal of 57258 is 85275.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56169 + 1089 = 237^2 + 33^2 .

It is not an unprimeable number, because it can be changed into a prime (57251) by changing a digit.

57258 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 1573 + ... + 1608.

2⁵⁷²⁵⁸ is an apocalyptic number.

57258 is an abundant number, since it is smaller than the sum of its proper divisors (66840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57258 is a wasteful number, since it uses less digits than its factorization.

57258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189 (or 3186 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 57258 is about 239.2864392313. The cubic root of 57258 is about 38.5429890302.

It can be divided in two parts, 572 and 58, that added together give a triangular number (630 = T₃₅).

The spelling of 57258 in words is "fifty-seven thousand, two hundred fifty-eight".