55285828 has 12 divisors (see below), whose sum is σ = 104192620. Its totient is φ = 25516512.

The previous prime is 55285759. The next prime is 55285843. The reversal of 55285828 is 82858255.

It can be written as a sum of positive squares in 2 ways, for example, as 29398084 + 25887744 = 5422^2 + 5088^2 .

It is an unprimeable number.

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, 531543 + ... + 531646.

Almost surely, 2^55285828 is an apocalyptic number.

It is an amenable number.

55285828 is a deficient number, since it is larger than the sum of its proper divisors (48906792).

55285828 is a wasteful number, since it uses less digits than its factorization.

55285828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063206 (or 1063204 counting only the distinct ones).

The product of its digits is 256000, while the sum is 43.

The square root of 55285828 is about 7435.4440351602. Note that the first 3 decimals coincide. The cubic root of 55285828 is about 380.9528901551.

The spelling of 55285828 in words is "fifty-five million, two hundred eighty-five thousand, eight hundred twenty-eight".