28003054 has 4 divisors (see below), whose sum is σ = 42004584. Its totient is φ = 14001526.

The previous prime is 28003037. The next prime is 28003069. The reversal of 28003054 is 45030082.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7000762 + ... + 7000765.

It is an arithmetic number, because the mean of its divisors is an integer number (10501146).

Almost surely, 2^28003054 is an apocalyptic number.

28003054 is a deficient number, since it is larger than the sum of its proper divisors (14001530).

28003054 is a wasteful number, since it uses less digits than its factorization.

28003054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14001529.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 28003054 is about 5291.7911901359. The cubic root of 28003054 is about 303.6699369561.

The spelling of 28003054 in words is "twenty-eight million, three thousand, fifty-four".