Search a number
-
+
55853285 = 589313401
BaseRepresentation
bin1101010100010…
…0000011100101
310220002122022012
43111010003211
5103244301120
65313044005
71245513365
oct325040345
9126078265
1055853285
1129589444
1216856605
13b7576a7
1475bc9a5
154d841c5
hex35440e5

55853285 has 16 divisors (see below), whose sum is σ = 68163120. Its totient is φ = 43929600.

The previous prime is 55853267. The next prime is 55853297. The reversal of 55853285 is 58235855.

It can be written as a sum of positive squares in 8 ways, for example, as 3334276 + 52519009 = 1826^2 + 7247^2 .

It is not a de Polignac number, because 55853285 - 210 = 55852261 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 139085 + ... + 139485.

It is an arithmetic number, because the mean of its divisors is an integer number (4260195).

Almost surely, 255853285 is an apocalyptic number.

It is an amenable number.

55853285 is a deficient number, since it is larger than the sum of its proper divisors (12309835).

55853285 is a wasteful number, since it uses less digits than its factorization.

55853285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808.

The product of its digits is 240000, while the sum is 41.

The square root of 55853285 is about 7473.5055362260. The cubic root of 55853285 is about 382.2518304194.

The spelling of 55853285 in words is "fifty-five million, eight hundred fifty-three thousand, two hundred eighty-five".

Divisors: 1 5 89 313 401 445 1565 2005 27857 35689 125513 139285 178445 627565 11170657 55853285