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55810048 = 211717229
BaseRepresentation
bin1101010011100…
…1100000000000
310220000102222211
43110321200000
5103241410143
65312111504
71245243340
oct324714000
9126012884
1055810048
1129559a08
1216835594
13b740ac8
1475aad20
154d7649d
hex3539800

55810048 has 96 divisors (see below), whose sum is σ = 135626400. Its totient is φ = 22413312.

The previous prime is 55810039. The next prime is 55810063. The reversal of 55810048 is 84001855.

It is a super-2 number, since 2×558100482 = 6229522915524608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243598 + ... + 243826.

It is an arithmetic number, because the mean of its divisors is an integer number (1412775).

Almost surely, 255810048 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 55810048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67813200).

55810048 is an abundant number, since it is smaller than the sum of its proper divisors (79816352).

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

55810048 is a wasteful number, since it uses less digits than its factorization.

55810048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 55810048 is about 7470.6122908367. The cubic root of 55810048 is about 382.1531690249.

The spelling of 55810048 in words is "fifty-five million, eight hundred ten thousand, forty-eight".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 64 68 112 119 128 136 224 229 238 256 272 448 458 476 512 544 896 916 952 1024 1088 1603 1792 1832 1904 2048 2176 3206 3584 3664 3808 3893 4352 6412 7168 7328 7616 7786 8704 12824 14336 14656 15232 15572 17408 25648 27251 29312 30464 31144 34816 51296 54502 58624 60928 62288 102592 109004 117248 121856 124576 205184 218008 234496 243712 249152 410368 436016 468992 498304 820736 872032 996608 1641472 1744064 1993216 3282944 3488128 3986432 6976256 7972864 13952512 27905024 55810048