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55665008 = 247701709
BaseRepresentation
bin1101010001011…
…0000101110000
310212202002000222
43110112011300
5103222240013
65305032212
71244100440
oct324260560
9125662028
1055665008
112946aa43
1216785668
13b6bca99
147570120
154d48508
hex3516170

55665008 has 40 divisors (see below), whose sum is σ = 123608160. Its totient is φ = 23788800.

The previous prime is 55664981. The next prime is 55665013. The reversal of 55665008 is 80056655.

It is a congruent number.

It is an unprimeable number.

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, 78158 + ... + 78866.

It is an arithmetic number, because the mean of its divisors is an integer number (3090204).

Almost surely, 255665008 is an apocalyptic number.

It is an amenable number.

55665008 is an abundant number, since it is smaller than the sum of its proper divisors (67943152).

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

55665008 is a wasteful number, since it uses less digits than its factorization.

55665008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 55665008 is about 7460.8986053960. The cubic root of 55665008 is about 381.8218333465.

The spelling of 55665008 in words is "fifty-five million, six hundred sixty-five thousand, eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 701 709 1402 1418 2804 2836 4907 4963 5608 5672 9814 9926 11216 11344 19628 19852 39256 39704 78512 79408 497009 994018 1988036 3479063 3976072 6958126 7952144 13916252 27832504 55665008