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55168512 = 29372733
BaseRepresentation
bin1101001001110…
…0111000000000
310211210211222020
43102130320000
5103110343022
65250241440
71236632100
oct322347000
9124724866
1055168512
1129160a13
1216586280
13b577ab9
147481200
154c9b35c
hex349ce00

55168512 has 120 divisors (see below), whose sum is σ = 171201096. Its totient is φ = 15740928.

The previous prime is 55168501. The next prime is 55168543. The reversal of 55168512 is 21586155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74898 + ... + 75630.

Almost surely, 255168512 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 55168512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85600548).

55168512 is an abundant number, since it is smaller than the sum of its proper divisors (116032584).

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

55168512 is an equidigital number, since it uses as much as digits as its factorization.

55168512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 745 counting only the distinct ones).

The product of its digits is 12000, while the sum is 33.

The square root of 55168512 is about 7427.5508749520. The cubic root of 55168512 is about 380.6832398661.

It can be divided in two parts, 5516 and 8512, that added together give a triangular number (14028 = T167).

The spelling of 55168512 in words is "fifty-five million, one hundred sixty-eight thousand, five hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 256 294 336 384 392 448 512 588 672 733 768 784 896 1176 1344 1466 1536 1568 1792 2199 2352 2688 2932 3136 3584 4398 4704 5131 5376 5864 6272 8796 9408 10262 10752 11728 12544 15393 17592 18816 20524 23456 25088 30786 35184 35917 37632 41048 46912 61572 70368 71834 75264 82096 93824 107751 123144 140736 143668 164192 187648 215502 246288 281472 287336 328384 375296 431004 492576 562944 574672 656768 862008 985152 1125888 1149344 1313536 1724016 1970304 2298688 2627072 3448032 3940608 4597376 6896064 7881216 9194752 13792128 18389504 27584256 55168512