28053955 has 8 divisors (see below), whose sum is σ = 34574832. Its totient is φ = 21836448.

The previous prime is 28053941. The next prime is 28053979. The reversal of 28053955 is 55935082.

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 28053955 - 2¹⁵ = 28021187 is a prime.

It is a super-2 number, since 2×28053955² = 1574048782284050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 75637 + ... + 76006.

It is an arithmetic number, because the mean of its divisors is an integer number (4321854).

Almost surely, 2^28053955 is an apocalyptic number.

28053955 is a deficient number, since it is larger than the sum of its proper divisors (6520877).

28053955 is a wasteful number, since it uses less digits than its factorization.

28053955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151685.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 28053955 is about 5296.5984367328. The cubic root of 28053955 is about 303.8538186555.

The spelling of 28053955 in words is "twenty-eight million, fifty-three thousand, nine hundred fifty-five".