28350055 has 8 divisors (see below), whose sum is σ = 34578144. Its totient is φ = 22308000.

The previous prime is 28350017. The next prime is 28350059. The reversal of 28350055 is 55005382.

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

It is not a de Polignac number, because 28350055 - 2¹⁵ = 28317287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28350059) 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 7 ways as a sum of consecutive naturals, for example, 46171 + ... + 46780.

It is an arithmetic number, because the mean of its divisors is an integer number (4322268).

Almost surely, 2^28350055 is an apocalyptic number.

28350055 is a deficient number, since it is larger than the sum of its proper divisors (6228089).

28350055 is an equidigital number, since it uses as much as digits as its factorization.

28350055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93017.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 28350055 is about 5324.4769696187. The cubic root of 28350055 is about 304.9191042288.

The spelling of 28350055 in words is "twenty-eight million, three hundred fifty thousand, fifty-five".