28853553 has 4 divisors (see below), whose sum is σ = 38471408. Its totient is φ = 19235700.

The previous prime is 28853551. The next prime is 28853567. The reversal of 28853553 is 35535882.

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 not a de Polignac number, because 28853553 - 2¹ = 28853551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28853551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4808923 + ... + 4808928.

It is an arithmetic number, because the mean of its divisors is an integer number (9617852).

Almost surely, 2^28853553 is an apocalyptic number.

It is an amenable number.

28853553 is a deficient number, since it is larger than the sum of its proper divisors (9617855).

28853553 is an equidigital number, since it uses as much as digits as its factorization.

28853553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617854.

The product of its digits is 144000, while the sum is 39.

The square root of 28853553 is about 5371.5503348661. The cubic root of 28853553 is about 306.7136468405.

The spelling of 28853553 in words is "twenty-eight million, eight hundred fifty-three thousand, five hundred fifty-three".