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55041313230 = 232517910493257
BaseRepresentation
bin110011010000101101…
…111100100111001110
312021001220221102021200
4303100231330213032
51400211034010410
641141410210330
73655655304651
oct632055744716
9167056842250
1055041313230
1121385428322
12a8012839a6
135262334ac7
1429420a7898
15167225c3c0
hexcd0b7c9ce

55041313230 has 96 divisors (see below), whose sum is σ = 144088308000. Its totient is φ = 14577294336.

The previous prime is 55041313211. The next prime is 55041313273. The reversal of 55041313230 is 3231314055.

55041313230 is a `hidden beast` number, since 5 + 5 + 0 + 413 + 13 + 230 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 55041313194 and 55041313203.

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, 16897762 + ... + 16901018.

It is an arithmetic number, because the mean of its divisors is an integer number (1500919875).

Almost surely, 255041313230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55041313230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72044154000).

55041313230 is an abundant number, since it is smaller than the sum of its proper divisors (89046994770).

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

55041313230 is a wasteful number, since it uses less digits than its factorization.

55041313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498 (or 4495 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 55041313230 its reverse (3231314055), we get a palindrome (58272627285).

The spelling of 55041313230 in words is "fifty-five billion, forty-one million, three hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 179 358 537 895 1049 1074 1611 1790 2098 2685 3147 3222 3257 5245 5370 6294 6514 8055 9441 9771 10490 15735 16110 16285 18882 19542 29313 31470 32570 47205 48855 58626 94410 97710 146565 187771 293130 375542 563313 583003 938855 1126626 1166006 1689939 1749009 1877710 2816565 2915015 3379878 3416593 3498018 5247027 5633130 5830030 6833186 8449695 8745045 10249779 10494054 16899390 17082965 17490090 20499558 26235135 30749337 34165930 51248895 52470270 61498674 102497790 153746685 307493370 611570147 1223140294 1834710441 3057850735 3669420882 5504131323 6115701470 9173552205 11008262646 18347104410 27520656615 55041313230