Search a number
-
+
55836005 = 511167201
BaseRepresentation
bin1101010011111…
…1110101100101
310220001202121012
43110333311211
5103243223010
65312432005
71245412121
oct324776545
9126052535
1055836005
1129577465
1216848605
13b74c874
1475b6581
154d7e005
hex353fd65

55836005 has 4 divisors (see below), whose sum is σ = 67003212. Its totient is φ = 44668800.

The previous prime is 55835993. The next prime is 55836023. The reversal of 55836005 is 50063855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50063855 = 510012771.

It can be written as a sum of positive squares in 2 ways, for example, as 19088161 + 36747844 = 4369^2 + 6062^2 .

It is a de Polignac number, because none of the positive numbers 2k-55836005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5583596 + ... + 5583605.

It is an arithmetic number, because the mean of its divisors is an integer number (16750803).

Almost surely, 255836005 is an apocalyptic number.

It is an amenable number.

55836005 is a deficient number, since it is larger than the sum of its proper divisors (11167207).

55836005 is a wasteful number, since it uses less digits than its factorization.

55836005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11167206.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 55836005 is about 7472.3493628176. The cubic root of 55836005 is about 382.2124057437.

It can be divided in two parts, 558 and 36005, that added together give a palindrome (36563).

The spelling of 55836005 in words is "fifty-five million, eight hundred thirty-six thousand, five".

Divisors: 1 5 11167201 55836005