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55165908 = 2237656737
BaseRepresentation
bin1101001001110…
…0001111010100
310211210201101210
43102130033110
5103110302113
65250221420
71236621360
oct322341724
9124721353
1055165908
1129159a66
1216584870
13b576865
1474802a0
154c9a6c3
hex349c3d4

55165908 has 24 divisors (see below), whose sum is σ = 147109312. Its totient is φ = 15761664.

The previous prime is 55165907. The next prime is 55165933. The reversal of 55165908 is 80956155.

55165908 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 not an unprimeable number, because it can be changed into a prime (55165907) 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 7 ways as a sum of consecutive naturals, for example, 328285 + ... + 328452.

Almost surely, 255165908 is an apocalyptic number.

It is an amenable number.

55165908 is an abundant number, since it is smaller than the sum of its proper divisors (91943404).

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

55165908 is a wasteful number, since it uses less digits than its factorization.

55165908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656751 (or 656749 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 55165908 is about 7427.3755795705. The cubic root of 55165908 is about 380.6772502492.

The spelling of 55165908 in words is "fifty-five million, one hundred sixty-five thousand, nine hundred eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 656737 1313474 1970211 2626948 3940422 4597159 7880844 9194318 13791477 18388636 27582954 55165908