28550592 has 168 divisors, whose sum is σ = 95784416. Its totient is φ = 7962624.

The previous prime is 28550551. The next prime is 28550603. The reversal of 28550592 is 29505582.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294288 + ... + 294384.

Almost surely, 2^28550592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28550592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47892208).

28550592 is an abundant number, since it is smaller than the sum of its proper divisors (67233824).

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

28550592 is a wasteful number, since it uses less digits than its factorization.

28550592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 28550592 is about 5343.2753999771. The cubic root of 28550592 is about 305.6363744246.

The spelling of 28550592 in words is "twenty-eight million, five hundred fifty thousand, five hundred ninety-two".