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55007585 = 511001517
BaseRepresentation
bin1101000111010…
…1100101100001
310211111200012222
43101311211201
5103040220320
65243000425
71235361653
oct321654541
9124450188
1055007585
1129061016
1216509115
13b51c789
14743c6d3
154c68825
hex3475961

55007585 has 4 divisors (see below), whose sum is σ = 66009108. Its totient is φ = 44006064.

The previous prime is 55007573. The next prime is 55007591. The reversal of 55007585 is 58570055.

55007585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32273761 + 22733824 = 5681^2 + 4768^2 .

It is a cyclic number.

It is not a de Polignac number, because 55007585 - 24 = 55007569 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 5500754 + ... + 5500763.

It is an arithmetic number, because the mean of its divisors is an integer number (16502277).

Almost surely, 255007585 is an apocalyptic number.

It is an amenable number.

55007585 is a deficient number, since it is larger than the sum of its proper divisors (11001523).

55007585 is a wasteful number, since it uses less digits than its factorization.

55007585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001522.

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 55007585 is about 7416.7098500615. The cubic root of 55007585 is about 380.3127273298.

The spelling of 55007585 in words is "fifty-five million, seven thousand, five hundred eighty-five".

Divisors: 1 5 11001517 55007585