28655153 has 4 divisors (see below), whose sum is σ = 28674048. Its totient is φ = 28636260.

The previous prime is 28655113. The next prime is 28655167. The reversal of 28655153 is 35155682.

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 a cyclic number.

It is not a de Polignac number, because 28655153 - 2⁸ = 28654897 is a prime.

It is a super-2 number, since 2×28655153² = 1642235586906818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28655113) 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, 6953 + ... + 10278.

It is an arithmetic number, because the mean of its divisors is an integer number (7168512).

Almost surely, 2^28655153 is an apocalyptic number.

It is an amenable number.

28655153 is a deficient number, since it is larger than the sum of its proper divisors (18895).

28655153 is a wasteful number, since it uses less digits than its factorization.

28655153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18894.

The product of its digits is 36000, while the sum is 35.

The square root of 28655153 is about 5353.0508123873. The cubic root of 28655153 is about 306.0090311601.

The spelling of 28655153 in words is "twenty-eight million, six hundred fifty-five thousand, one hundred fifty-three".