28548755 has 4 divisors (see below), whose sum is σ = 34258512. Its totient is φ = 22839000.

The previous prime is 28548733. The next prime is 28548769. The reversal of 28548755 is 55784582.

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

It is not a de Polignac number, because 28548755 - 2⁶ = 28548691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854871 + ... + 2854880.

It is an arithmetic number, because the mean of its divisors is an integer number (8564628).

Almost surely, 2^28548755 is an apocalyptic number.

28548755 is a deficient number, since it is larger than the sum of its proper divisors (5709757).

28548755 is an equidigital number, since it uses as much as digits as its factorization.

28548755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709756.

The product of its digits is 448000, while the sum is 44.

The square root of 28548755 is about 5343.1034989040. The cubic root of 28548755 is about 305.6298192066.

The spelling of 28548755 in words is "twenty-eight million, five hundred forty-eight thousand, seven hundred fifty-five".