28183055 has 8 divisors (see below), whose sum is σ = 33910272. Its totient is φ = 22486048.

The previous prime is 28183039. The next prime is 28183063. The reversal of 28183055 is 55038182.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28183055 - 2⁴ = 28183039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5444 + ... + 9273.

It is an arithmetic number, because the mean of its divisors is an integer number (4238784).

Almost surely, 2^28183055 is an apocalyptic number.

28183055 is a deficient number, since it is larger than the sum of its proper divisors (5727217).

28183055 is a wasteful number, since it uses less digits than its factorization.

28183055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15105.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 28183055 is about 5308.7715151436. The cubic root of 28183055 is about 304.3192017400.

The spelling of 28183055 in words is "twenty-eight million, one hundred eighty-three thousand, fifty-five".