28052055 has 32 divisors (see below), whose sum is σ = 51486720. Its totient is φ = 14476320.

The previous prime is 28052053. The next prime is 28052093. The reversal of 28052055 is 55025082.

It is not a de Polignac number, because 28052055 - 2¹ = 28052053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28052053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834 + ... + 7536.

It is an arithmetic number, because the mean of its divisors is an integer number (1608960).

Almost surely, 2^28052055 is an apocalyptic number.

28052055 is a deficient number, since it is larger than the sum of its proper divisors (23434665).

28052055 is a wasteful number, since it uses less digits than its factorization.

28052055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6748 (or 6742 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 28052055 is about 5296.4190732985. The cubic root of 28052055 is about 303.8469588350.

The spelling of 28052055 in words is "twenty-eight million, fifty-two thousand, fifty-five".