57197448 has 256 divisors, whose sum is σ = 209664000. Its totient is φ = 13996800.

The previous prime is 57197447. The next prime is 57197461. The reversal of 57197448 is 84479175.

It is a happy number.

57197448 is a `hidden beast` number, since 571 + 9 + 74 + 4 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (57197447) 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 in 63 ways as a sum of consecutive naturals, for example, 315918 + ... + 316098.

It is an arithmetic number, because the mean of its divisors is an integer number (819000).

Almost surely, 2^57197448 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 57197448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104832000).

57197448 is an abundant number, since it is smaller than the sum of its proper divisors (152466552).

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

57197448 is a wasteful number, since it uses less digits than its factorization.

57197448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 223 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 57197448 is about 7562.8994439963. The cubic root of 57197448 is about 385.2939746068.

The spelling of 57197448 in words is "fifty-seven million, one hundred ninety-seven thousand, four hundred forty-eight".