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54153216 = 2123213113
BaseRepresentation
bin1100111010010…
…1000000000000
310202220021020200
43032211000000
5102330400331
65212405200
71225203045
oct316450000
9122807220
1054153216
1128628127
1216176800
13b2b0930
1472991cc
154b4a5e6
hex33a5000

54153216 has 156 divisors (see below), whose sum is σ = 169946868. Its totient is φ = 16515072.

The previous prime is 54153199. The next prime is 54153269. The reversal of 54153216 is 61235145.

It can be written as a sum of positive squares in 2 ways, for example, as 3686400 + 50466816 = 1920^2 + 7104^2 .

It is a tau number, because it is divible by the number of its divisors (156).

It is a self number, because there is not a number n which added to its sum of digits gives 54153216.

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, 479176 + ... + 479288.

It is an arithmetic number, because the mean of its divisors is an integer number (1089403).

Almost surely, 254153216 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 54153216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84973434).

54153216 is an abundant number, since it is smaller than the sum of its proper divisors (115793652).

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

54153216 is a wasteful number, since it uses less digits than its factorization.

54153216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 131 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 54153216 is about 7358.8868723469. The cubic root of 54153216 is about 378.3334590015. Note that the first 3 decimals are identical.

The spelling of 54153216 in words is "fifty-four million, one hundred fifty-three thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 113 117 128 144 156 192 208 226 234 256 288 312 339 384 416 452 468 512 576 624 678 768 832 904 936 1017 1024 1152 1248 1356 1469 1536 1664 1808 1872 2034 2048 2304 2496 2712 2938 3072 3328 3616 3744 4068 4096 4407 4608 4992 5424 5876 6144 6656 7232 7488 8136 8814 9216 9984 10848 11752 12288 13221 13312 14464 14976 16272 17628 18432 19968 21696 23504 26442 26624 28928 29952 32544 35256 36864 39936 43392 47008 52884 53248 57856 59904 65088 70512 79872 86784 94016 105768 115712 119808 130176 141024 159744 173568 188032 211536 231424 239616 260352 282048 347136 376064 423072 462848 479232 520704 564096 694272 752128 846144 1041408 1128192 1388544 1504256 1692288 2082816 2256384 3008512 3384576 4165632 4512768 6017024 6769152 9025536 13538304 18051072 27076608 54153216