28051355 has 8 divisors (see below), whose sum is σ = 33810000. Its totient is φ = 22342176.

The previous prime is 28051327. The next prime is 28051369. The reversal of 28051355 is 55315082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28051355 - 2¹⁰ = 28050331 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11105 + ... + 13394.

It is an arithmetic number, because the mean of its divisors is an integer number (4226250).

Almost surely, 2^28051355 is an apocalyptic number.

28051355 is a deficient number, since it is larger than the sum of its proper divisors (5758645).

28051355 is a wasteful number, since it uses less digits than its factorization.

28051355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24733.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 28051355 is about 5296.3529905020. The cubic root of 28051355 is about 303.8444314546.

The spelling of 28051355 in words is "twenty-eight million, fifty-one thousand, three hundred fifty-five".