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55150005 = 353676667
BaseRepresentation
bin1101001001100…
…0010110110101
310211202220120210
43102120112311
5103104300010
65250020033
71236524121
oct322302665
9124686523
1055150005
1129149019
1216577619
13b56c551
147478581
154c95b20
hex34985b5

55150005 has 8 divisors (see below), whose sum is σ = 88240032. Its totient is φ = 29413328.

The previous prime is 55150001. The next prime is 55150013. The reversal of 55150005 is 50005155.

55150005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55150005 - 22 = 55150001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55150001) 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, 1838319 + ... + 1838348.

It is an arithmetic number, because the mean of its divisors is an integer number (11030004).

Almost surely, 255150005 is an apocalyptic number.

It is an amenable number.

55150005 is a deficient number, since it is larger than the sum of its proper divisors (33090027).

55150005 is a wasteful number, since it uses less digits than its factorization.

55150005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676675.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 55150005 is about 7426.3049358345. The cubic root of 55150005 is about 380.6406667121.

The spelling of 55150005 in words is "fifty-five million, one hundred fifty thousand, five".

Divisors: 1 3 5 15 3676667 11030001 18383335 55150005