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54853920 = 25325113463
BaseRepresentation
bin1101000101000…
…0000100100000
310211012212102200
43101100010200
5103020311140
65235413200
71234151652
oct321200440
9124185380
1054853920
1128a66620
1216454200
13b497854
1473dc6d2
154c38030
hex3450120

54853920 has 144 divisors (see below), whose sum is σ = 204265152. Its totient is φ = 13294080.

The previous prime is 54853913. The next prime is 54853933. The reversal of 54853920 is 2935845.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14109 + ... + 17571.

It is an arithmetic number, because the mean of its divisors is an integer number (1418508).

Almost surely, 254853920 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 54853920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102132576).

54853920 is an abundant number, since it is smaller than the sum of its proper divisors (149411232).

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

54853920 is a wasteful number, since it uses less digits than its factorization.

54853920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495 (or 3484 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 54853920 is about 7406.3432272613. The cubic root of 54853920 is about 379.9582594965.

The spelling of 54853920 in words is "fifty-four million, eight hundred fifty-three thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 66 72 80 88 90 96 99 110 120 132 144 160 165 176 180 198 220 240 264 288 330 352 360 396 440 480 495 528 660 720 792 880 990 1056 1320 1440 1584 1760 1980 2640 3168 3463 3960 5280 6926 7920 10389 13852 15840 17315 20778 27704 31167 34630 38093 41556 51945 55408 62334 69260 76186 83112 103890 110816 114279 124668 138520 152372 155835 166224 190465 207780 228558 249336 277040 304744 311670 332448 342837 380930 415560 457116 498672 554080 571395 609488 623340 685674 761860 831120 914232 997344 1142790 1218976 1246680 1371348 1523720 1662240 1714185 1828464 2285580 2493360 2742696 3047440 3428370 3656928 4571160 4986720 5485392 6094880 6856740 9142320 10970784 13713480 18284640 27426960 54853920