28536555 has 8 divisors (see below), whose sum is σ = 45658512. Its totient is φ = 15219488.

The previous prime is 28536539. The next prime is 28536559. The reversal of 28536555 is 55563582.

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 28536555 - 2⁴ = 28536539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28536559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951204 + ... + 951233.

It is an arithmetic number, because the mean of its divisors is an integer number (5707314).

Almost surely, 2^28536555 is an apocalyptic number.

28536555 is a deficient number, since it is larger than the sum of its proper divisors (17121957).

28536555 is a wasteful number, since it uses less digits than its factorization.

28536555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902445.

The product of its digits is 180000, while the sum is 39.

The square root of 28536555 is about 5341.9617183203. The cubic root of 28536555 is about 305.5862771437.

The spelling of 28536555 in words is "twenty-eight million, five hundred thirty-six thousand, five hundred fifty-five".