Search a number
-
+
55235211 = 3312572311
BaseRepresentation
bin1101001010110…
…1001010001011
310211221020110120
43102231022023
5103120011321
65251514323
71240330413
oct322551213
9124836416
1055235211
11291a7039
12165b89a3
13b59c275
14749b643
154cb0ec6
hex34ad28b

55235211 has 16 divisors (see below), whose sum is σ = 76351488. Its totient is φ = 35481600.

The previous prime is 55235209. The next prime is 55235251. The reversal of 55235211 is 11253255.

It is a happy number.

55235211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55235211 - 21 = 55235209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55235251) 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 15 ways as a sum of consecutive naturals, for example, 22746 + ... + 25056.

It is an arithmetic number, because the mean of its divisors is an integer number (4771968).

Almost surely, 255235211 is an apocalyptic number.

55235211 is a deficient number, since it is larger than the sum of its proper divisors (21116277).

55235211 is a wasteful number, since it uses less digits than its factorization.

55235211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602.

The product of its digits is 1500, while the sum is 24.

The square root of 55235211 is about 7432.0394912837. The cubic root of 55235211 is about 380.8365940451.

Adding to 55235211 its reverse (11253255), we get a palindrome (66488466).

The spelling of 55235211 in words is "fifty-five million, two hundred thirty-five thousand, two hundred eleven".

Divisors: 1 3 31 93 257 771 2311 6933 7967 23901 71641 214923 593927 1781781 18411737 55235211