5591028 has 24 divisors (see below), whose sum is σ = 13813632. Its totient is φ = 1753984.

The previous prime is 5591021. The next prime is 5591029. The reversal of 5591028 is 8201955.

5591028 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 5590986 and 5591004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13500 + ... + 13907.

It is an arithmetic number, because the mean of its divisors is an integer number (575568).

Almost surely, 2^5591028 is an apocalyptic number.

It is an amenable number.

5591028 is an abundant number, since it is smaller than the sum of its proper divisors (8222604).

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

5591028 is a wasteful number, since it uses less digits than its factorization.

5591028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27431 (or 27429 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 5591028 is about 2364.5354723497. The cubic root of 5591028 is about 177.4859130525.

The spelling of 5591028 in words is "five million, five hundred ninety-one thousand, twenty-eight".