555389828 has 12 divisors (see below), whose sum is σ = 1110779712. Its totient is φ = 238024200.

The previous prime is 555389803. The next prime is 555389843. The reversal of 555389828 is 828983555.

555389828 is an admirable number.

It is a super-2 number, since 2×555389828² = 616915722091739168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 555389828.

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, 9917648 + ... + 9917703.

It is an arithmetic number, because the mean of its divisors is an integer number (92564976).

Almost surely, 2^555389828 is an apocalyptic number.

It is an amenable number.

555389828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555389828 is a wasteful number, since it uses less digits than its factorization.

555389828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19835362 (or 19835360 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 53.

The square root of 555389828 is about 23566.7101649764. The cubic root of 555389828 is about 821.9889394541.

The spelling of 555389828 in words is "five hundred fifty-five million, three hundred eighty-nine thousand, eight hundred twenty-eight".