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52755530500 = 2253177385021
BaseRepresentation
bin110001001000011110…
…011000001100000100
312001011121211121212001
4301020132120030010
51331020403434000
640122514035044
73545221416241
oct611036301404
9161147747761
1052755530500
1120412137992
12a283878a84
134c898c9c4a
1427a669a5c8
15158b74846a
hexc48798304

52755530500 has 96 divisors (see below), whose sum is σ = 123668239968. Its totient is φ = 19588608000.

The previous prime is 52755530497. The next prime is 52755530507. The reversal of 52755530500 is 503555725.

It can be written as a sum of positive squares in 16 ways, for example, as 31649833216 + 21105697284 = 177904^2 + 145278^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52755530500.

It is not an unprimeable number, because it can be changed into a prime (52755530507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577990 + ... + 663010.

It is an arithmetic number, because the mean of its divisors is an integer number (1288210833).

Almost surely, 252755530500 is an apocalyptic number.

52755530500 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 52755530500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61834119984).

52755530500 is an abundant number, since it is smaller than the sum of its proper divisors (70912709468).

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

52755530500 is a wasteful number, since it uses less digits than its factorization.

52755530500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85130 (or 85118 counting only the distinct ones).

The product of its (nonzero) digits is 131250, while the sum is 37.

The spelling of 52755530500 in words is "fifty-two billion, seven hundred fifty-five million, five hundred thirty thousand, five hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 73 85 100 125 146 170 250 292 340 365 425 500 730 850 1241 1460 1700 1825 2125 2482 3650 4250 4964 6205 7300 8500 9125 12410 18250 24820 31025 36500 62050 85021 124100 155125 170042 310250 340084 425105 620500 850210 1445357 1700420 2125525 2890714 4251050 5781428 6206533 7226785 8502100 10627625 12413066 14453570 21255250 24826132 28907140 31032665 36133925 42510500 62065330 72267850 105511061 124130660 144535700 155163325 180669625 211022122 310326650 361339250 422044244 527555305 620653300 722678500 775816625 1055110610 1551633250 2110221220 2637776525 3103266500 5275553050 10551106100 13188882625 26377765250 52755530500