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55200288 = 25311134021
BaseRepresentation
bin1101001010010…
…0101000100000
310211212110120010
43102210220200
5103112402123
65251044520
71240123533
oct322445040
9124773503
1055200288
1129182880
12165a0740
13b5893c0
14748ca1a
154ca5993
hex34a4a20

55200288 has 96 divisors (see below), whose sum is σ = 170275392. Its totient is φ = 15436800.

The previous prime is 55200287. The next prime is 55200289. The reversal of 55200288 is 88200255.

It is an interprime number because it is at equal distance from previous prime (55200287) and next prime (55200289).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (55200287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11718 + ... + 15738.

It is an arithmetic number, because the mean of its divisors is an integer number (1773702).

Almost surely, 255200288 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 55200288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85137696).

55200288 is an abundant number, since it is smaller than the sum of its proper divisors (115075104).

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

55200288 is a wasteful number, since it uses less digits than its factorization.

55200288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058 (or 4050 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 55200288 is about 7429.6896301259. The cubic root of 55200288 is about 380.7563145753.

The spelling of 55200288 in words is "fifty-five million, two hundred thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 13 16 22 24 26 32 33 39 44 48 52 66 78 88 96 104 132 143 156 176 208 264 286 312 352 416 429 528 572 624 858 1056 1144 1248 1716 2288 3432 4021 4576 6864 8042 12063 13728 16084 24126 32168 44231 48252 52273 64336 88462 96504 104546 128672 132693 156819 176924 193008 209092 265386 313638 353848 386016 418184 530772 575003 627276 707696 836368 1061544 1150006 1254552 1415392 1672736 1725009 2123088 2300012 2509104 3450018 4246176 4600024 5018208 6900036 9200048 13800072 18400096 27600144 55200288