28553160 has 64 divisors (see below), whose sum is σ = 86068800. Its totient is φ = 7577856.

The previous prime is 28553137. The next prime is 28553171. The reversal of 28553160 is 6135582.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32811 + ... + 33669.

It is an arithmetic number, because the mean of its divisors is an integer number (1344825).

Almost surely, 2^28553160 is an apocalyptic number.

28553160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28553160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43034400).

28553160 is an abundant number, since it is smaller than the sum of its proper divisors (57515640).

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

28553160 is a wasteful number, since it uses less digits than its factorization.

28553160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 28553160 is about 5343.5156966177. The cubic root of 28553160 is about 305.6455376984.

The spelling of 28553160 in words is "twenty-eight million, five hundred fifty-three thousand, one hundred sixty".