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55988838 = 2324372337
BaseRepresentation
bin1101010110010…
…1001001100110
310220100112020200
43111211021212
5103313120323
65320011330
71246616523
oct325451146
9126315220
1055988838
1129671274
1216900b46
13b7a42b9
14761614a
154dae443
hex3565266

55988838 has 24 divisors (see below), whose sum is σ = 124132008. Its totient is φ = 18228672.

The previous prime is 55988827. The next prime is 55988861. The reversal of 55988838 is 83888955.

55988838 = 14272 + 14282 + ... + 14532.

55988838 is a `hidden beast` number, since 559 + 8 + 8 + 83 + 8 = 666.

55988838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 35395 + ... + 36942.

It is an arithmetic number, because the mean of its divisors is an integer number (5172167).

Almost surely, 255988838 is an apocalyptic number.

55988838 is an abundant number, since it is smaller than the sum of its proper divisors (68143170).

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

55988838 is a wasteful number, since it uses less digits than its factorization.

55988838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72388 (or 72385 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 55988838 is about 7482.5689438855. The cubic root of 55988838 is about 382.5608156537.

The spelling of 55988838 in words is "fifty-five million, nine hundred eighty-eight thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 9 18 43 86 129 258 387 774 72337 144674 217011 434022 651033 1302066 3110491 6220982 9331473 18662946 27994419 55988838