57573728 has 12 divisors (see below), whose sum is σ = 113348340. Its totient is φ = 28786848.

The previous prime is 57573721. The next prime is 57573767. The reversal of 57573728 is 82737575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57573721) 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, 899558 + ... + 899621.

It is an arithmetic number, because the mean of its divisors is an integer number (9445695).

Almost surely, 2^57573728 is an apocalyptic number.

It is an amenable number.

57573728 is a deficient number, since it is larger than the sum of its proper divisors (55774612).

57573728 is a wasteful number, since it uses less digits than its factorization.

57573728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799189 (or 1799181 counting only the distinct ones).

The product of its digits is 411600, while the sum is 44.

The square root of 57573728 is about 7587.7353670249. The cubic root of 57573728 is about 386.1370288548.

The spelling of 57573728 in words is "fifty-seven million, five hundred seventy-three thousand, seven hundred twenty-eight".