28660053 has 8 divisors (see below), whose sum is σ = 38249248. Its totient is φ = 19088784.

The previous prime is 28660043. The next prime is 28660061. The reversal of 28660053 is 35006682.

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

It is not a de Polignac number, because 28660053 - 2¹⁴ = 28643669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28660053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28660003) 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, 151 + ... + 7572.

It is an arithmetic number, because the mean of its divisors is an integer number (4781156).

Almost surely, 2^28660053 is an apocalyptic number.

It is an amenable number.

28660053 is a deficient number, since it is larger than the sum of its proper divisors (9589195).

28660053 is a wasteful number, since it uses less digits than its factorization.

28660053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 28660053 is about 5353.5084757568. The cubic root of 28660053 is about 306.0264725698.

The spelling of 28660053 in words is "twenty-eight million, six hundred sixty thousand, fifty-three".