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55134183 = 31310113997
BaseRepresentation
bin1101001001010…
…0011111100111
310211202002212210
43102110133213
5103103243213
65245414503
71236430026
oct322243747
9124662783
1055134183
1129138145
121656a433
13b5652a0
1474728bd
154c910c3
hex34947e7

55134183 has 16 divisors (see below), whose sum is σ = 79956576. Its totient is φ = 33590400.

The previous prime is 55134139. The next prime is 55134221. The reversal of 55134183 is 38143155.

It is not a de Polignac number, because 55134183 - 26 = 55134119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55134183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55134113) 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, 3060 + ... + 10937.

It is an arithmetic number, because the mean of its divisors is an integer number (4997286).

Almost surely, 255134183 is an apocalyptic number.

55134183 is a deficient number, since it is larger than the sum of its proper divisors (24822393).

55134183 is a wasteful number, since it uses less digits than its factorization.

55134183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14114.

The product of its digits is 7200, while the sum is 30.

The square root of 55134183 is about 7425.2395920940. The cubic root of 55134183 is about 380.6042625289.

The spelling of 55134183 in words is "fifty-five million, one hundred thirty-four thousand, one hundred eighty-three".

Divisors: 1 3 13 39 101 303 1313 3939 13997 41991 181961 545883 1413697 4241091 18378061 55134183