55003028 has 12 divisors (see below), whose sum is σ = 100440480. Its totient is φ = 26305752.

The previous prime is 55003027. The next prime is 55003033. The reversal of 55003028 is 82030055.

55003028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 55002994 and 55003012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55003027) by changing a digit.

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, 298838 + ... + 299021.

It is an arithmetic number, because the mean of its divisors is an integer number (8370040).

Almost surely, 2^55003028 is an apocalyptic number.

It is an amenable number.

55003028 is a deficient number, since it is larger than the sum of its proper divisors (45437452).

55003028 is a wasteful number, since it uses less digits than its factorization.

55003028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597886 (or 597884 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55003028 is about 7416.4026320043. The cubic root of 55003028 is about 380.3022249420.

The spelling of 55003028 in words is "fifty-five million, three thousand, twenty-eight".