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55988460 = 223251128277
BaseRepresentation
bin1101010110010…
…1000011101100
310220100111201200
43111211003230
5103313112320
65320005500
71246615443
oct325450354
9126314650
1055988460
1129670a60
1216900890
13b7a4088
147615d5a
154dae290
hex35650ec

55988460 has 72 divisors (see below), whose sum is σ = 185277456. Its totient is φ = 13572480.

The previous prime is 55988447. The next prime is 55988467. The reversal of 55988460 is 6488955.

55988460 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 (45).

It is not an unprimeable number, because it can be changed into a prime (55988467) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12159 + ... + 16118.

It is an arithmetic number, because the mean of its divisors is an integer number (2573298).

Almost surely, 255988460 is an apocalyptic number.

It is an amenable number.

55988460 is an abundant number, since it is smaller than the sum of its proper divisors (129288996).

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

55988460 is a wasteful number, since it uses less digits than its factorization.

55988460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28303 (or 28298 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 55988460 is about 7482.5436851381. The cubic root of 55988460 is about 382.5599547183.

The spelling of 55988460 in words is "fifty-five million, nine hundred eighty-eight thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 28277 56554 84831 113108 141385 169662 254493 282770 311047 339324 424155 508986 565540 622094 848310 933141 1017972 1244188 1272465 1555235 1696620 1866282 2544930 2799423 3110470 3732564 4665705 5089860 5598846 6220940 9331410 11197692 13997115 18662820 27994230 55988460