5550820 has 48 divisors (see below), whose sum is σ = 13281408. Its totient is φ = 1928960.

The previous prime is 5550763. The next prime is 5550821. The reversal of 5550820 is 280555.

It is not an unprimeable number, because it can be changed into a prime (5550821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4512 + ... + 5608.

It is an arithmetic number, because the mean of its divisors is an integer number (276696).

Almost surely, 2^5550820 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 5550820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6640704).

5550820 is an abundant number, since it is smaller than the sum of its proper divisors (7730588).

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

5550820 is a wasteful number, since it uses less digits than its factorization.

5550820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 5550820 is about 2356.0178267577. The cubic root of 5550820 is about 177.0594244384.

The spelling of 5550820 in words is "five million, five hundred fifty thousand, eight hundred twenty".