28050528 has 96 divisors (see below), whose sum is σ = 81430272. Its totient is φ = 8384000.

The previous prime is 28050521. The next prime is 28050541. The reversal of 28050528 is 82505082.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 28050495 and 28050504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28050521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106525 + ... + 106787.

It is an arithmetic number, because the mean of its divisors is an integer number (848232).

Almost surely, 2^28050528 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 28050528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40715136).

28050528 is an abundant number, since it is smaller than the sum of its proper divisors (53379744).

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

28050528 is a wasteful number, since it uses less digits than its factorization.

28050528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 28050528 is about 5296.2749173358. The cubic root of 28050528 is about 303.8414454810.

The spelling of 28050528 in words is "twenty-eight million, fifty thousand, five hundred twenty-eight".