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54544053440 = 2651096132551
BaseRepresentation
bin110010110011000101…
…000011010011000000
312012210021021000002102
4302303011003103000
51343201234202230
641020204205532
73640436542652
oct626305032300
9165707230072
1054544053440
112114a772718
12a6a28398a8
1351b32cc046
1428d60266d2
151643786045
hexcb31434c0

54544053440 has 112 divisors (see below), whose sum is σ = 131339904960. Its totient is φ = 21573734400.

The previous prime is 54544053439. The next prime is 54544053481. The reversal of 54544053440 is 4435044545.

It is a junction number, because it is equal to n+sod(n) for n = 54544053394 and 54544053403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21380165 + ... + 21382715.

Almost surely, 254544053440 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 54544053440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65669952480).

54544053440 is an abundant number, since it is smaller than the sum of its proper divisors (76795851520).

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

54544053440 is a wasteful number, since it uses less digits than its factorization.

54544053440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290 (or 3280 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 54544053440 its reverse (4435044545), we get a palindrome (58979097985).

The spelling of 54544053440 in words is "fifty-four billion, five hundred forty-four million, fifty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 109 160 218 320 436 545 613 872 1090 1226 1744 2180 2452 2551 3065 3488 4360 4904 5102 6130 6976 8720 9808 10204 12260 12755 17440 19616 20408 24520 25510 34880 39232 40816 49040 51020 66817 81632 98080 102040 133634 163264 196160 204080 267268 278059 334085 408160 534536 556118 668170 816320 1069072 1112236 1336340 1390295 1563763 2138144 2224472 2672680 2780590 3127526 4276288 4448944 5345360 5561180 6255052 7818815 8897888 10690720 11122360 12510104 15637630 17795776 21381440 22244720 25020208 31275260 44489440 50040416 62550520 88978880 100080832 125101040 170450167 250202080 340900334 500404160 681800668 852250835 1363601336 1704501670 2727202672 3409003340 5454405344 6818006680 10908810688 13636013360 27272026720 54544053440