28929055 has 16 divisors (see below), whose sum is σ = 36578304. Its totient is φ = 21920800.

The previous prime is 28929041. The next prime is 28929071. The reversal of 28929055 is 55092982.

It is not a de Polignac number, because 28929055 - 2⁵ = 28929023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28928999 and 28929017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11130 + ... + 13480.

It is an arithmetic number, because the mean of its divisors is an integer number (2286144).

Almost surely, 2^28929055 is an apocalyptic number.

28929055 is a deficient number, since it is larger than the sum of its proper divisors (7649249).

28929055 is a wasteful number, since it uses less digits than its factorization.

28929055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 28929055 is about 5378.5736956929. The cubic root of 28929055 is about 306.9809429119.

The spelling of 28929055 in words is "twenty-eight million, nine hundred twenty-nine thousand, fifty-five".