28310053 has 4 divisors (see below), whose sum is σ = 28325728. Its totient is φ = 28294380.

The previous prime is 28310047. The next prime is 28310059. The reversal of 28310053 is 35001382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (28310047) and next prime (28310059).

It is a cyclic number.

It is not a de Polignac number, because 28310053 - 2⁵ = 28310021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28310059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4713 + ... + 8878.

It is an arithmetic number, because the mean of its divisors is an integer number (7081432).

Almost surely, 2^28310053 is an apocalyptic number.

It is an amenable number.

28310053 is a deficient number, since it is larger than the sum of its proper divisors (15675).

28310053 is a wasteful number, since it uses less digits than its factorization.

28310053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15674.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 28310053 is about 5320.7192183012. The cubic root of 28310053 is about 304.7756228452.

The spelling of 28310053 in words is "twenty-eight million, three hundred ten thousand, fifty-three".