57449448 has 96 divisors (see below), whose sum is σ = 183605760. Its totient is φ = 15880320.

The previous prime is 57449347. The next prime is 57449461. The reversal of 57449448 is 84494475.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13786 + ... + 17462.

It is an arithmetic number, because the mean of its divisors is an integer number (1912560).

Almost surely, 2^57449448 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 57449448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91802880).

57449448 is an abundant number, since it is smaller than the sum of its proper divisors (126156312).

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

57449448 is a wasteful number, since it uses less digits than its factorization.

57449448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727 (or 3720 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 57449448 is about 7579.5414109298. The cubic root of 57449448 is about 385.8589872131.

The spelling of 57449448 in words is "fifty-seven million, four hundred forty-nine thousand, four hundred forty-eight".