5506866 has 32 divisors (see below), whose sum is σ = 12398400. Its totient is φ = 1834164.

The previous prime is 5506843. The next prime is 5506873. The reversal of 5506866 is 6686055.

It is a self number, because there is not a number n which added to its sum of digits gives 5506866.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3745 + ... + 5003.

It is an arithmetic number, because the mean of its divisors is an integer number (387450).

Almost surely, 2^5506866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5506866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6199200).

5506866 is an abundant number, since it is smaller than the sum of its proper divisors (6891534).

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

5506866 is an equidigital number, since it uses as much as digits as its factorization.

5506866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 5506866 is about 2346.6712594652. The cubic root of 5506866 is about 176.5908388637.

The spelling of 5506866 in words is "five million, five hundred six thousand, eight hundred sixty-six".