28854550 has 24 divisors (see below), whose sum is σ = 54155016. Its totient is φ = 11437440.

The previous prime is 28854533. The next prime is 28854563. The reversal of 28854550 is 5545882.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3097 + ... + 8203.

It is an arithmetic number, because the mean of its divisors is an integer number (2256459).

Almost surely, 2^28854550 is an apocalyptic number.

28854550 is a deficient number, since it is larger than the sum of its proper divisors (25300466).

28854550 is a wasteful number, since it uses less digits than its factorization.

28854550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232 (or 5227 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 28854550 is about 5371.6431378117. The cubic root of 28854550 is about 306.7171795075.

The spelling of 28854550 in words is "twenty-eight million, eight hundred fifty-four thousand, five hundred fifty".