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550500500 = 225311101991
BaseRepresentation
bin100000110011111…
…111100010010100
31102100212022201102
4200303333202110
52111412004000
6130343045232
716433114504
oct4063774224
91370768642
10550500500
1126281a1a0
12134440818
138a087254
145317da04
15334e13d5
hex20cff894

550500500 has 96 divisors (see below), whose sum is σ = 1325915136. Its totient is φ = 198000000.

The previous prime is 550500499. The next prime is 550500521. The reversal of 550500500 is 5005055.

It is a happy number.

550500500 is digitally balanced in base 2, 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 (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555005 + ... + 555995.

It is an arithmetic number, because the mean of its divisors is an integer number (13811616).

Almost surely, 2550500500 is an apocalyptic number.

550500500 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 550500500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662957568).

550500500 is an abundant number, since it is smaller than the sum of its proper divisors (775414636).

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

550500500 is a wasteful number, since it uses less digits than its factorization.

550500500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122 (or 1110 counting only the distinct ones).

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

The square root of 550500500 is about 23462.7470684914. The cubic root of 550500500 is about 819.5697227042.

Adding to 550500500 its reverse (5005055), we get a palindrome (555505555).

It can be divided in two parts, 5 and 50500500, that added together give a palindrome (50500505).

The spelling of 550500500 in words is "five hundred fifty million, five hundred thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 101 110 125 202 220 250 275 404 500 505 550 991 1010 1100 1111 1375 1982 2020 2222 2525 2750 3964 4444 4955 5050 5500 5555 9910 10100 10901 11110 12625 19820 21802 22220 24775 25250 27775 43604 49550 50500 54505 55550 99100 100091 109010 111100 123875 138875 200182 218020 247750 272525 277750 400364 495500 500455 545050 555500 1000910 1090100 1101001 1362625 2001820 2202002 2502275 2725250 4404004 5004550 5450500 5505005 10009100 11010010 12511375 22020020 25022750 27525025 50045500 55050050 110100100 137625125 275250250 550500500