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55113333 = 31111511451
BaseRepresentation
bin1101001000111…
…1011001110101
310211201001021120
43102033121311
5103102111313
65245134153
71236312162
oct322173165
9124631246
1055113333
1129123510
121655a359
13b558952
147469069
154c89d23
hex348f675

55113333 has 16 divisors (see below), whose sum is σ = 80289792. Its totient is φ = 33350000.

The previous prime is 55113299. The next prime is 55113341. The reversal of 55113333 is 33331155.

It is a cyclic number.

It is not a de Polignac number, because 55113333 - 29 = 55112821 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55113533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37258 + ... + 38708.

It is an arithmetic number, because the mean of its divisors is an integer number (5018112).

Almost surely, 255113333 is an apocalyptic number.

It is an amenable number.

55113333 is a deficient number, since it is larger than the sum of its proper divisors (25176459).

55113333 is a wasteful number, since it uses less digits than its factorization.

55113333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616.

The product of its digits is 2025, while the sum is 24.

The square root of 55113333 is about 7423.8354642328. The cubic root of 55113333 is about 380.5562789914.

Adding to 55113333 its reverse (33331155), we get a palindrome (88444488).

The spelling of 55113333 in words is "fifty-five million, one hundred thirteen thousand, three hundred thirty-three".

Divisors: 1 3 11 33 1151 1451 3453 4353 12661 15961 37983 47883 1670101 5010303 18371111 55113333