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55868960 = 255783601
BaseRepresentation
bin1101010100011…
…1111000100000
310220010102210202
43111013320200
5103300301320
65313244332
71245610160
oct325077040
9126112722
1055868960
112959a1a4
12168636a8
13b761874
1475c45a0
154d88b75
hex3547e20

55868960 has 96 divisors (see below), whose sum is σ = 152917632. Its totient is φ = 18892800.

The previous prime is 55868959. The next prime is 55868963. The reversal of 55868960 is 6986855.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55868963) 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, 92660 + ... + 93260.

It is an arithmetic number, because the mean of its divisors is an integer number (1592892).

Almost surely, 255868960 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 55868960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76458816).

55868960 is an abundant number, since it is smaller than the sum of its proper divisors (97048672).

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

55868960 is a wasteful number, since it uses less digits than its factorization.

55868960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 55868960 is about 7474.5541673066. The cubic root of 55868960 is about 382.2875862214.

The spelling of 55868960 in words is "fifty-five million, eight hundred sixty-eight thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 83 112 140 160 166 224 280 332 415 560 581 601 664 830 1120 1162 1202 1328 1660 2324 2404 2656 2905 3005 3320 4207 4648 4808 5810 6010 6640 8414 9296 9616 11620 12020 13280 16828 18592 19232 21035 23240 24040 33656 42070 46480 48080 49883 67312 84140 92960 96160 99766 134624 168280 199532 249415 336560 349181 399064 498830 673120 698362 798128 997660 1396724 1596256 1745905 1995320 2793448 3491810 3990640 5586896 6983620 7981280 11173792 13967240 27934480 55868960