5525728 has 48 divisors (see below), whose sum is σ = 12065760. Its totient is φ = 2474496.

The previous prime is 5525701. The next prime is 5525753. The reversal of 5525728 is 8275255.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5525693 and 5525702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15213 + ... + 15571.

It is an arithmetic number, because the mean of its divisors is an integer number (251370).

Almost surely, 2^5525728 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 5525728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6032880).

5525728 is an abundant number, since it is smaller than the sum of its proper divisors (6540032).

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

5525728 is a wasteful number, since it uses less digits than its factorization.

5525728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 411 counting only the distinct ones).

The product of its digits is 28000, while the sum is 34.

The square root of 5525728 is about 2350.6867081770. The cubic root of 5525728 is about 176.7922274997.

The spelling of 5525728 in words is "five million, five hundred twenty-five thousand, seven hundred twenty-eight".