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55233233 = 1121513023
BaseRepresentation
bin1101001010110…
…0101011010001
310211221010202022
43102230223101
5103114430413
65251501225
71240321556
oct322545321
9124833668
1055233233
11291a5600
12165b7815
13b59b3b3
14749aa2d
154cb0608
hex34acad1

55233233 has 12 divisors (see below), whose sum is σ = 61133184. Its totient is φ = 49863000.

The previous prime is 55233229. The next prime is 55233239. The reversal of 55233233 is 33233255.

It is a happy number.

55233233 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 55233233 - 22 = 55233229 is a prime.

It is a super-3 number, since 3×552332333 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55233239) 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 11 ways as a sum of consecutive naturals, for example, 16760 + ... + 19782.

It is an arithmetic number, because the mean of its divisors is an integer number (5094432).

Almost surely, 255233233 is an apocalyptic number.

It is an amenable number.

55233233 is a deficient number, since it is larger than the sum of its proper divisors (5899951).

55233233 is a wasteful number, since it uses less digits than its factorization.

55233233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196 (or 3185 counting only the distinct ones).

The product of its digits is 8100, while the sum is 26.

The square root of 55233233 is about 7431.9064176024. The cubic root of 55233233 is about 380.8320480091.

Adding to 55233233 its reverse (33233255), we get a palindrome (88466488).

The spelling of 55233233 in words is "fifty-five million, two hundred thirty-three thousand, two hundred thirty-three".

Divisors: 1 11 121 151 1661 3023 18271 33253 365783 456473 5021203 55233233