5505500 has 144 divisors (see below), whose sum is σ = 16266432. Its totient is φ = 1584000.

The previous prime is 5505449. The next prime is 5505527. The reversal of 5505500 is 55055.

5505500 = T₃₅ + T₃₆ + ... + T₃₂₀.

It is a happy number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 423494 + ... + 423506.

Almost surely, 2^5505500 is an apocalyptic number.

5505500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5505500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8133216).

5505500 is an abundant number, since it is smaller than the sum of its proper divisors (10760932).

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

5505500 is a wasteful number, since it uses less digits than its factorization.

5505500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

The square root of 5505500 is about 2346.3801908472. The cubic root of 5505500 is about 176.5762363031.

Multiplying 5505500 by its reverse (55055), we get a square (303105302500 = 550550²).

5505500 divided by its reverse (55055) gives a square (100 = 10²).

It can be divided in two parts, 5 and 505500, that added together give a palindrome (505505).

The spelling of 5505500 in words is "five million, five hundred five thousand, five hundred".