28053088 has 36 divisors (see below), whose sum is σ = 64250172. Its totient is φ = 12022080.

The previous prime is 28053049. The next prime is 28053089. The reversal of 28053088 is 88035082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28053089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7378 + ... + 10513.

It is an arithmetic number, because the mean of its divisors is an integer number (1784727).

Almost surely, 2^28053088 is an apocalyptic number.

28053088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28053088 is an abundant number, since it is smaller than the sum of its proper divisors (36197084).

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

28053088 is a wasteful number, since it uses less digits than its factorization.

28053088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17915 (or 17900 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 28053088 is about 5296.5165911191. The cubic root of 28053088 is about 303.8506884495.

The spelling of 28053088 in words is "twenty-eight million, fifty-three thousand, eighty-eight".