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55175274 = 2327211347
BaseRepresentation
bin1101001001111…
…0100001101010
310211211012020200
43102132201222
5103111102044
65250333030
71236660600
oct322364152
9124735220
1055175274
1129166000
121658a176
13b57abbb
147483870
154c9d369
hex349e86a

55175274 has 144 divisors (see below), whose sum is σ = 156214656. Its totient is φ = 14026320.

The previous prime is 55175269. The next prime is 55175287. The reversal of 55175274 is 47257155.

55175274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (49000) is a multiple of the sum of its prime divisors (70).

It is a Curzon number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 1173919 + ... + 1173965.

It is an arithmetic number, because the mean of its divisors is an integer number (1084824).

Almost surely, 255175274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55175274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78107328).

55175274 is an abundant number, since it is smaller than the sum of its proper divisors (101039382).

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

55175274 is a wasteful number, since it uses less digits than its factorization.

55175274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 70 counting only the distinct ones).

The product of its digits is 49000, while the sum is 36.

The square root of 55175274 is about 7428.0060581558. The cubic root of 55175274 is about 380.6987926685.

The spelling of 55175274 in words is "fifty-five million, one hundred seventy-five thousand, two hundred seventy-four".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 47 49 63 66 77 94 98 99 121 126 141 147 154 198 231 242 282 294 329 363 423 441 462 517 539 658 693 726 846 847 882 987 1034 1078 1089 1331 1386 1551 1617 1694 1974 2178 2303 2541 2662 2961 3102 3234 3619 3993 4606 4653 4851 5082 5687 5922 5929 6909 7238 7623 7986 9306 9317 9702 10857 11374 11858 11979 13818 15246 17061 17787 18634 20727 21714 23958 25333 27951 32571 34122 35574 39809 41454 50666 51183 53361 55902 62557 65142 65219 75999 79618 83853 102366 106722 119427 125114 130438 151998 167706 187671 195657 227997 238854 278663 358281 375342 391314 437899 455994 557326 563013 586971 716562 835989 875798 1126026 1173942 1313697 1671978 2507967 2627394 3065293 3941091 5015934 6130586 7882182 9195879 18391758 27587637 55175274