57448580 has 108 divisors (see below), whose sum is σ = 147389004. Its totient is φ = 18748800.

The previous prime is 57448579. The next prime is 57448583. The reversal of 57448580 is 8584475.

It can be written as a sum of positive squares in 2 ways, for example, as 9229444 + 48219136 = 3038^2 + 6944^2 .

It is not an unprimeable number, because it can be changed into a prime (57448583) 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 35 ways as a sum of consecutive naturals, for example, 941750 + ... + 941810.

It is an arithmetic number, because the mean of its divisors is an integer number (1364713).

Almost surely, 2^57448580 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 57448580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73694502).

57448580 is an abundant number, since it is smaller than the sum of its proper divisors (89940424).

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

57448580 is a wasteful number, since it uses less digits than its factorization.

57448580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 57448580 is about 7579.4841513127. The cubic root of 57448580 is about 385.8570438972.

The spelling of 57448580 in words is "fifty-seven million, four hundred forty-eight thousand, five hundred eighty".