5556816 has 80 divisors (see below), whose sum is σ = 16814400. Its totient is φ = 1752192.

The previous prime is 5556791. The next prime is 5556821. The reversal of 5556816 is 6186555.

5556816 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 7870 + ... + 8546.

It is an arithmetic number, because the mean of its divisors is an integer number (210180).

Almost surely, 2^5556816 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 5556816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8407200).

5556816 is an abundant number, since it is smaller than the sum of its proper divisors (11257584).

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

5556816 is a wasteful number, since it uses less digits than its factorization.

5556816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 701 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 5556816 is about 2357.2899694352. The cubic root of 5556816 is about 177.1231547385.

The spelling of 5556816 in words is "five million, five hundred fifty-six thousand, eight hundred sixteen".