28053576 has 48 divisors (see below), whose sum is σ = 79981200. Its totient is φ = 8858592.

The previous prime is 28053569. The next prime is 28053577. The reversal of 28053576 is 67535082.

28053576 is a `hidden beast` number, since 2 + 80 + 5 + 3 + 576 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28053576.

It is not an unprimeable number, because it can be changed into a prime (28053577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8886 + ... + 11621.

It is an arithmetic number, because the mean of its divisors is an integer number (1666275).

Almost surely, 2^28053576 is an apocalyptic number.

It is an amenable number.

28053576 is an abundant number, since it is smaller than the sum of its proper divisors (51927624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28053576 is a wasteful number, since it uses less digits than its factorization.

28053576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20538 (or 20531 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 28053576 is about 5296.5626589327. The cubic root of 28053576 is about 303.8524503266.

The spelling of 28053576 in words is "twenty-eight million, fifty-three thousand, five hundred seventy-six".