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55501850 = 25219371579
BaseRepresentation
bin1101001110111…
…0010000011010
310212102210020002
43103232100122
5103202024400
65301333002
71242520655
oct323562032
9125383202
1055501850
11293693a8
1216707162
13b663741
14752a89c
154d14ed5
hex34ee41a

55501850 has 48 divisors (see below), whose sum is σ = 111674400. Its totient is φ = 20450880.

The previous prime is 55501847. The next prime is 55501861. The reversal of 55501850 is 5810555.

55501850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 34361 + ... + 35939.

It is an arithmetic number, because the mean of its divisors is an integer number (2326550).

Almost surely, 255501850 is an apocalyptic number.

55501850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55501850 is an abundant number, since it is smaller than the sum of its proper divisors (56172550).

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

55501850 is a wasteful number, since it uses less digits than its factorization.

55501850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 55501850 is about 7449.9563757112. The cubic root of 55501850 is about 381.4484195142.

The spelling of 55501850 in words is "fifty-five million, five hundred one thousand, eight hundred fifty".

Divisors: 1 2 5 10 19 25 37 38 50 74 95 185 190 370 475 703 925 950 1406 1579 1850 3158 3515 7030 7895 15790 17575 30001 35150 39475 58423 60002 78950 116846 150005 292115 300010 584230 750025 1110037 1460575 1500050 2220074 2921150 5550185 11100370 27750925 55501850