28536554 has 8 divisors (see below), whose sum is σ = 44185728. Its totient is φ = 13807980.

The previous prime is 28536539. The next prime is 28536559. The reversal of 28536554 is 45563582.

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

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230072 + ... + 230195.

It is an arithmetic number, because the mean of its divisors is an integer number (5523216).

Almost surely, 2^28536554 is an apocalyptic number.

28536554 is a deficient number, since it is larger than the sum of its proper divisors (15649174).

28536554 is a wasteful number, since it uses less digits than its factorization.

28536554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460300.

The product of its digits is 144000, while the sum is 38.

The square root of 28536554 is about 5341.9616247218. The cubic root of 28536554 is about 305.5862735741.

The spelling of 28536554 in words is "twenty-eight million, five hundred thirty-six thousand, five hundred fifty-four".