28579455 has 48 divisors (see below), whose sum is σ = 52767936. Its totient is φ = 14277120.

The previous prime is 28579393. The next prime is 28579459. The reversal of 28579455 is 55497582.

28579455 is a `hidden beast` number, since 28 + 579 + 4 + 55 = 666.

It is not a de Polignac number, because 28579455 - 2¹¹ = 28577407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28579455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28579459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54595 + ... + 55115.

It is an arithmetic number, because the mean of its divisors is an integer number (1099332).

Almost surely, 2^28579455 is an apocalyptic number.

28579455 is a deficient number, since it is larger than the sum of its proper divisors (24188481).

28579455 is a wasteful number, since it uses less digits than its factorization.

28579455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 605 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 28579455 is about 5345.9755891699. The cubic root of 28579455 is about 305.7393333129.

The spelling of 28579455 in words is "twenty-eight million, five hundred seventy-nine thousand, four hundred fifty-five".