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55542060 = 223257172593
BaseRepresentation
bin1101001111100…
…0000100101100
310212111211101100
43103320010230
5103204321220
65302243100
71243046130
oct323700454
9125454340
1055542060
1129396632
1216726490
13b678b32
14753b3c0
154d21d90
hex34f812c

55542060 has 144 divisors (see below), whose sum is σ = 203950656. Its totient is φ = 11943936.

The previous prime is 55542059. The next prime is 55542061. The reversal of 55542060 is 6024555.

It is an interprime number because it is at equal distance from previous prime (55542059) and next prime (55542061).

It is not an unprimeable number, because it can be changed into a prime (55542061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20124 + ... + 22716.

It is an arithmetic number, because the mean of its divisors is an integer number (1416324).

Almost surely, 255542060 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 55542060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101975328).

55542060 is an abundant number, since it is smaller than the sum of its proper divisors (148408596).

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

55542060 is a wasteful number, since it uses less digits than its factorization.

55542060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632 (or 2627 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 55542060 is about 7452.6545606247. The cubic root of 55542060 is about 381.5405145730.

The spelling of 55542060 in words is "fifty-five million, five hundred forty-two thousand, sixty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 28 30 34 35 36 42 45 51 60 63 68 70 84 85 90 102 105 119 126 140 153 170 180 204 210 238 252 255 306 315 340 357 420 476 510 595 612 630 714 765 1020 1071 1190 1260 1428 1530 1785 2142 2380 2593 3060 3570 4284 5186 5355 7140 7779 10372 10710 12965 15558 18151 21420 23337 25930 31116 36302 38895 44081 46674 51860 54453 72604 77790 88162 90755 93348 108906 116685 132243 155580 163359 176324 181510 217812 220405 233370 264486 272265 308567 326718 363020 396729 440810 466740 528972 544530 617134 653436 661215 793458 816795 881620 925701 1089060 1234268 1322430 1542835 1586916 1633590 1851402 1983645 2644860 2777103 3085670 3267180 3702804 3967290 4628505 5554206 6171340 7934580 9257010 11108412 13885515 18514020 27771030 55542060