57394288 has 60 divisors (see below), whose sum is σ = 136200360. Its totient is φ = 23296896.

The previous prime is 57394247. The next prime is 57394303. The reversal of 57394288 is 88249375.

57394288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12970 + ... + 16822.

It is an arithmetic number, because the mean of its divisors is an integer number (2270006).

Almost surely, 2^57394288 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 57394288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68100180).

57394288 is an abundant number, since it is smaller than the sum of its proper divisors (78806072).

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

57394288 is a wasteful number, since it uses less digits than its factorization.

57394288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894 (or 3881 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 57394288 is about 7575.9017945061. The cubic root of 57394288 is about 385.7354536949.

The spelling of 57394288 in words is "fifty-seven million, three hundred ninety-four thousand, two hundred eighty-eight".