28553301 has 12 divisors (see below), whose sum is σ = 47135712. Its totient is φ = 16316136.

The previous prime is 28553249. The next prime is 28553309. The reversal of 28553301 is 10335582.

It is a de Polignac number, because none of the positive numbers 2^k-28553301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28553309) 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 11 ways as a sum of consecutive naturals, for example, 226551 + ... + 226676.

It is an arithmetic number, because the mean of its divisors is an integer number (3927976).

Almost surely, 2^28553301 is an apocalyptic number.

28553301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28553301 is a deficient number, since it is larger than the sum of its proper divisors (18582411).

28553301 is a wasteful number, since it uses less digits than its factorization.

28553301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453240 (or 453237 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 28553301 is about 5343.5288901624. The cubic root of 28553301 is about 305.6460408062.

Adding to 28553301 its reverse (10335582), we get a palindrome (38888883).

The spelling of 28553301 in words is "twenty-eight million, five hundred fifty-three thousand, three hundred one".