555280028 has 12 divisors (see below), whose sum is σ = 972022800. Its totient is φ = 277559232.

The previous prime is 555280013. The next prime is 555280051. The reversal of 555280028 is 820082555.

It is a self number, because there is not a number n which added to its sum of digits gives 555280028.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128 + ... + 33471.

It is an arithmetic number, because the mean of its divisors is an integer number (81001900).

Almost surely, 2^555280028 is an apocalyptic number.

It is an amenable number.

555280028 is a deficient number, since it is larger than the sum of its proper divisors (416742772).

555280028 is a wasteful number, since it uses less digits than its factorization.

555280028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40396 (or 40394 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 555280028 is about 23564.3804925994. The cubic root of 555280028 is about 821.9347670936.

The spelling of 555280028 in words is "five hundred fifty-five million, two hundred eighty thousand, twenty-eight".