57478528 has 16 divisors (see below), whose sum is σ = 114508260. Its totient is φ = 28739200.

The previous prime is 57478523. The next prime is 57478529. The reversal of 57478528 is 82587475.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57478523) 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 as a sum of consecutive naturals, namely, 224398 + ... + 224653.

Almost surely, 2^57478528 is an apocalyptic number.

It is an amenable number.

57478528 is a deficient number, since it is larger than the sum of its proper divisors (57029732).

57478528 is an equidigital number, since it uses as much as digits as its factorization.

57478528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449065 (or 449053 counting only the distinct ones).

The product of its digits is 627200, while the sum is 46.

The square root of 57478528 is about 7581.4594900982. The cubic root of 57478528 is about 385.9240814656.

The spelling of 57478528 in words is "fifty-seven million, four hundred seventy-eight thousand, five hundred twenty-eight".