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50505560688 = 24311227731393
BaseRepresentation
bin101111000010010111…
…011011001001110000
311211100211010022111210
4233002113123021300
51311413410420223
635111341240120
73435401116422
oct570227331160
9154324108453
1050505560688
111a468088300
129956263040
1349bb720b6b
142631932812
1514a8e5a893
hexbc25db270

50505560688 has 120 divisors (see below), whose sum is σ = 143934457744. Its totient is φ = 15248977920.

The previous prime is 50505560687. The next prime is 50505560737. The reversal of 50505560688 is 88606550505.

50505560688 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 (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505560681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1593120 + ... + 1624512.

Almost surely, 250505560688 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 50505560688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71967228872).

50505560688 is an abundant number, since it is smaller than the sum of its proper divisors (93428897056).

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

50505560688 is a wasteful number, since it uses less digits than its factorization.

50505560688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31703 (or 31686 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 48.

The spelling of 50505560688 in words is "fifty billion, five hundred five million, five hundred sixty thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 121 132 176 242 264 277 363 484 528 554 726 831 968 1108 1452 1662 1936 2216 2904 3047 3324 4432 5808 6094 6648 9141 12188 13296 18282 24376 31393 33517 36564 48752 62786 67034 73128 94179 100551 125572 134068 146256 188358 201102 251144 268136 345323 376716 402204 502288 536272 690646 753432 804408 1035969 1381292 1506864 1608816 2071938 2762584 3798553 4143876 5525168 7597106 8287752 8695861 11395659 15194212 16575504 17391722 22791318 26087583 30388424 34783444 45582636 52175166 60776848 69566888 91165272 95654471 104350332 139133776 182330544 191308942 208700664 286963413 382617884 417401328 573926826 765235768 1052199181 1147853652 1530471536 2104398362 2295707304 3156597543 4208796724 4591414608 6313195086 8417593448 12626390172 16835186896 25252780344 50505560688