5555820 has 96 divisors (see below), whose sum is σ = 16773120. Its totient is φ = 1370880.

The previous prime is 5555813. The next prime is 5555827. The reversal of 5555820 is 285555.

It is an interprime number because it is at equal distance from previous prime (5555813) and next prime (5555827).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (5555827) 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 31 ways as a sum of consecutive naturals, for example, 53889 + ... + 53991.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

Almost surely, 2^5555820 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 5555820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8386560).

5555820 is an abundant number, since it is smaller than the sum of its proper divisors (11217300).

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

5555820 is a wasteful number, since it uses less digits than its factorization.

5555820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 5555820 is about 2357.0787004256. The cubic root of 5555820 is about 177.1125716274.

The spelling of 5555820 in words is "five million, five hundred fifty-five thousand, eight hundred twenty".