5521784 has 16 divisors (see below), whose sum is σ = 10485600. Its totient is φ = 2725632.

The previous prime is 5521783. The next prime is 5521801. The reversal of 5521784 is 4871255.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5521784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3737 + ... + 5000.

It is an arithmetic number, because the mean of its divisors is an integer number (655350).

Almost surely, 2^5521784 is an apocalyptic number.

It is an amenable number.

5521784 is a deficient number, since it is larger than the sum of its proper divisors (4963816).

5521784 is a wasteful number, since it uses less digits than its factorization.

5521784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822 (or 8818 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 5521784 is about 2349.8476546364. The cubic root of 5521784 is about 176.7501555468.

The spelling of 5521784 in words is "five million, five hundred twenty-one thousand, seven hundred eighty-four".