57553028 has 12 divisors (see below), whose sum is σ = 108465420. Its totient is φ = 26562912.

The previous prime is 57553021. The next prime is 57553063. The reversal of 57553028 is 82035575.

It can be written as a sum of positive squares in 2 ways, for example, as 32171584 + 25381444 = 5672^2 + 5038^2 .

It is not an unprimeable number, because it can be changed into a prime (57553021) 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 3 ways as a sum of consecutive naturals, for example, 553343 + ... + 553446.

It is an arithmetic number, because the mean of its divisors is an integer number (9038785).

Almost surely, 2^57553028 is an apocalyptic number.

It is an amenable number.

57553028 is a deficient number, since it is larger than the sum of its proper divisors (50912392).

57553028 is a wasteful number, since it uses less digits than its factorization.

57553028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106806 (or 1106804 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 57553028 is about 7586.3712010420. The cubic root of 57553028 is about 386.0907462018.

The spelling of 57553028 in words is "fifty-seven million, five hundred fifty-three thousand, twenty-eight".