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55826560 = 275194591
BaseRepresentation
bin1101010011110…
…1100010000000
310220001021122101
43110331202000
5103242422220
65312320144
71245342436
oct324754200
9126037571
1055826560
1129570359
1216843054
13b74848a
1475b2d56
154d7b30a
hex353d880

55826560 has 64 divisors (see below), whose sum is σ = 140515200. Its totient is φ = 21150720.

The previous prime is 55826549. The next prime is 55826569. The reversal of 55826560 is 6562855.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (55826569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9865 + ... + 14455.

It is an arithmetic number, because the mean of its divisors is an integer number (2195550).

Almost surely, 255826560 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 55826560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70257600).

55826560 is an abundant number, since it is smaller than the sum of its proper divisors (84688640).

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

55826560 is a wasteful number, since it uses less digits than its factorization.

55826560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629 (or 4617 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 55826560 is about 7471.7173394073. The cubic root of 55826560 is about 382.1908533437.

The spelling of 55826560 in words is "fifty-five million, eight hundred twenty-six thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 128 152 160 190 304 320 380 608 640 760 1216 1520 2432 3040 4591 6080 9182 12160 18364 22955 36728 45910 73456 87229 91820 146912 174458 183640 293824 348916 367280 436145 587648 697832 734560 872290 1395664 1469120 1744580 2791328 2938240 3489160 5582656 6978320 11165312 13956640 27913280 55826560