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55928600 = 23527213439
BaseRepresentation
bin1101010101011…
…0011100011000
310220020110121122
43111112130120
5103304203400
65314424412
71246246100
oct325263430
9126213548
1055928600
112962aa92
1216892108
13b782a60
1475dc200
154d9b685
hex3556718

55928600 has 144 divisors (see below), whose sum is σ = 163270800. Its totient is φ = 17660160.

The previous prime is 55928599. The next prime is 55928659. The reversal of 55928600 is 682955.

55928600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 127181 + ... + 127619.

It is an arithmetic number, because the mean of its divisors is an integer number (1133825).

Almost surely, 255928600 is an apocalyptic number.

55928600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55928600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81635400).

55928600 is an abundant number, since it is smaller than the sum of its proper divisors (107342200).

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

55928600 is a wasteful number, since it uses less digits than its factorization.

55928600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 55928600 is about 7478.5426387766. The cubic root of 55928600 is about 382.4235682503.

The spelling of 55928600 in words is "fifty-five million, nine hundred twenty-eight thousand, six hundred".

Divisors: 1 2 4 5 7 8 10 13 14 20 25 26 28 35 40 49 50 52 56 65 70 91 98 100 104 130 140 175 182 196 200 245 260 280 325 350 364 392 439 455 490 520 637 650 700 728 878 910 980 1225 1274 1300 1400 1756 1820 1960 2195 2275 2450 2548 2600 3073 3185 3512 3640 4390 4550 4900 5096 5707 6146 6370 8780 9100 9800 10975 11414 12292 12740 15365 15925 17560 18200 21511 21950 22828 24584 25480 28535 30730 31850 39949 43022 43900 45656 57070 61460 63700 76825 79898 86044 87800 107555 114140 122920 127400 142675 153650 159796 172088 199745 215110 228280 279643 285350 307300 319592 399490 430220 537775 559286 570700 614600 798980 860440 998725 1075550 1118572 1141400 1398215 1597960 1997450 2151100 2237144 2796430 3994900 4302200 5592860 6991075 7989800 11185720 13982150 27964300 55928600