28039053 has 16 divisors (see below), whose sum is σ = 43721216. Its totient is φ = 15649200.

The previous prime is 28039049. The next prime is 28039057. The reversal of 28039053 is 35093082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28039049) and next prime (28039057).

It is not a de Polignac number, because 28039053 - 2² = 28039049 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28039053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28039057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14623 + ... + 16428.

It is an arithmetic number, because the mean of its divisors is an integer number (2732576).

Almost surely, 2^28039053 is an apocalyptic number.

It is an amenable number.

28039053 is a deficient number, since it is larger than the sum of its proper divisors (15682163).

28039053 is a wasteful number, since it uses less digits than its factorization.

28039053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31104.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 28039053 is about 5295.1914979536. The cubic root of 28039053 is about 303.8000076855.

The spelling of 28039053 in words is "twenty-eight million, thirty-nine thousand, fifty-three".