28553106 has 16 divisors (see below), whose sum is σ = 57158784. Its totient is φ = 9508944.

The previous prime is 28553101. The next prime is 28553113. The reversal of 28553106 is 60135582.

It is not an unprimeable number, because it can be changed into a prime (28553101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10791 + ... + 13173.

It is an arithmetic number, because the mean of its divisors is an integer number (3572424).

Almost surely, 2^28553106 is an apocalyptic number.

28553106 is an abundant number, since it is smaller than the sum of its proper divisors (28605678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28553106 is a wasteful number, since it uses less digits than its factorization.

28553106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 28553106 is about 5343.5106437622. The cubic root of 28553106 is about 305.6453450184.

Adding to 28553106 its reverse (60135582), we get a palindrome (88688688).

The spelling of 28553106 in words is "twenty-eight million, five hundred fifty-three thousand, one hundred six".