5521806 has 24 divisors (see below), whose sum is σ = 12288744. Its totient is φ = 1790640.

The previous prime is 5521801. The next prime is 5521807. The reversal of 5521806 is 6081255.

It is a self number, because there is not a number n which added to its sum of digits gives 5521806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3480 + ... + 4811.

It is an arithmetic number, because the mean of its divisors is an integer number (512031).

Almost surely, 2^5521806 is an apocalyptic number.

5521806 is an abundant number, since it is smaller than the sum of its proper divisors (6766938).

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

5521806 is a wasteful number, since it uses less digits than its factorization.

5521806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8336 (or 8333 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 5521806 is about 2349.8523357862. The cubic root of 5521806 is about 176.7503902837.

The spelling of 5521806 in words is "five million, five hundred twenty-one thousand, eight hundred six".