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55110111 = 372624291
BaseRepresentation
bin1101001000111…
…0100111011111
310211200212212020
43102032213133
5103102010421
65245111223
71236266610
oct322164737
9124625766
1055110111
1129121051
1216558513
13b557344
147467c07
154c88dc6
hex348e9df

55110111 has 8 divisors (see below), whose sum is σ = 83977344. Its totient is φ = 31491480.

The previous prime is 55110103. The next prime is 55110119. The reversal of 55110111 is 11101155.

It is an interprime number because it is at equal distance from previous prime (55110103) and next prime (55110119).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55110111 - 23 = 55110103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55110119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312125 + ... + 1312166.

It is an arithmetic number, because the mean of its divisors is an integer number (10497168).

Almost surely, 255110111 is an apocalyptic number.

55110111 is a deficient number, since it is larger than the sum of its proper divisors (28867233).

55110111 is a wasteful number, since it uses less digits than its factorization.

55110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624301.

The product of its (nonzero) digits is 25, while the sum is 15.

The square root of 55110111 is about 7423.6184573293. The cubic root of 55110111 is about 380.5488629019.

Adding to 55110111 its reverse (11101155), we get a palindrome (66211266).

The spelling of 55110111 in words is "fifty-five million, one hundred ten thousand, one hundred eleven".

Divisors: 1 3 7 21 2624291 7872873 18370037 55110111