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55109834 = 2132119609
BaseRepresentation
bin1101001000111…
…0100011001010
310211200212110222
43102032203022
5103102003314
65245110042
71236266033
oct322164312
9124625428
1055109834
112912091a
1216558322
13b557190
147467a8a
154c88c8e
hex348e8ca

55109834 has 8 divisors (see below), whose sum is σ = 89023620. Its totient is φ = 25435296.

The previous prime is 55109827. The next prime is 55109837. The reversal of 55109834 is 43890155.

It can be written as a sum of positive squares in 2 ways, for example, as 46717225 + 8392609 = 6835^2 + 2897^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 55109794 and 55109803.

It is not an unprimeable number, because it can be changed into a prime (55109837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059779 + ... + 1059830.

Almost surely, 255109834 is an apocalyptic number.

55109834 is a deficient number, since it is larger than the sum of its proper divisors (33913786).

55109834 is a wasteful number, since it uses less digits than its factorization.

55109834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119624.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 55109834 is about 7423.5998006358. The cubic root of 55109834 is about 380.5482253165.

Adding to 55109834 its reverse (43890155), we get a palindrome (98999989).

The spelling of 55109834 in words is "fifty-five million, one hundred nine thousand, eight hundred thirty-four".

Divisors: 1 2 13 26 2119609 4239218 27554917 55109834