57488378 has 8 divisors (see below), whose sum is σ = 86328180. Its totient is φ = 28712320.

The previous prime is 57488371. The next prime is 57488383. The reversal of 57488378 is 87388475.

It can be written as a sum of positive squares in 2 ways, for example, as 47293129 + 10195249 = 6877^2 + 3193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57488371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13613 + ... + 17328.

Almost surely, 2^57488378 is an apocalyptic number.

57488378 is a deficient number, since it is larger than the sum of its proper divisors (28839802).

57488378 is a wasteful number, since it uses less digits than its factorization.

57488378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31872.

The product of its digits is 1505280, while the sum is 50.

The square root of 57488378 is about 7582.1090733384. The cubic root of 57488378 is about 385.9461252630.

The spelling of 57488378 in words is "fifty-seven million, four hundred eighty-eight thousand, three hundred seventy-eight".