57448128 has 42 divisors (see below), whose sum is σ = 152276556. Its totient is φ = 19114368.

The previous prime is 57448121. The next prime is 57448141. The reversal of 57448128 is 82184475.

It is a happy number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (57448121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104751 + ... + 105297.

Almost surely, 2^57448128 is an apocalyptic number.

It is an amenable number.

57448128 is an abundant number, since it is smaller than the sum of its proper divisors (94828428).

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

57448128 is an frugal number, since it uses more digits than its factorization.

57448128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 552 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 57448128 is about 7579.4543339214. The cubic root of 57448128 is about 385.8560319323.

The spelling of 57448128 in words is "fifty-seven million, four hundred forty-eight thousand, one hundred twenty-eight".