57897648 has 120 divisors (see below), whose sum is σ = 174618288. Its totient is φ = 17842176.

The previous prime is 57897643. The next prime is 57897661. The reversal of 57897648 is 84679875.

57897648 is a `hidden beast` number, since 578 + 9 + 7 + 64 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 57897594 and 57897603.

It is not an unprimeable number, because it can be changed into a prime (57897643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163840 + ... + 164192.

Almost surely, 2^57897648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57897648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87309144).

57897648 is an abundant number, since it is smaller than the sum of its proper divisors (116720640).

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

57897648 is a wasteful number, since it uses less digits than its factorization.

57897648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 442 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 57897648 is about 7609.0504006742. The cubic root of 57897648 is about 386.8598334613.

The spelling of 57897648 in words is "fifty-seven million, eight hundred ninety-seven thousand, six hundred forty-eight".