57448 has 16 divisors (see below), whose sum is σ = 110880. Its totient is φ = 27888.

The previous prime is 57427. The next prime is 57457. The reversal of 57448 is 84475.

It is an unprimeable number.

57448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261 + ... + 427.

It is an arithmetic number, because the mean of its divisors is an integer number (6930).

2⁵⁷⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

57448 is a deficient number, since it is larger than the sum of its proper divisors (53432).

57448 is a wasteful number, since it uses less digits than its factorization.

57448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 212 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 57448 is about 239.6831241452. The cubic root of 57448 is about 38.5855745357.

It can be divided in two parts, 57 and 448, that added together give a palindrome (505).

The spelling of 57448 in words is "fifty-seven thousand, four hundred forty-eight".