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55136107 = 134241239
BaseRepresentation
bin1101001001010…
…0111101101011
310211202012112001
43102110331223
5103103323412
65245431431
71236435445
oct322247553
9124665461
1055136107
1129139634
121656b577
13b566120
147473495
154c91957
hex3494f6b

55136107 has 4 divisors (see below), whose sum is σ = 59377360. Its totient is φ = 50894856.

The previous prime is 55136093. The next prime is 55136143. The reversal of 55136107 is 70163155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55136107 - 27 = 55135979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55133107) 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, 2120607 + ... + 2120632.

It is an arithmetic number, because the mean of its divisors is an integer number (14844340).

Almost surely, 255136107 is an apocalyptic number.

55136107 is a deficient number, since it is larger than the sum of its proper divisors (4241253).

55136107 is a wasteful number, since it uses less digits than its factorization.

55136107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241252.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 55136107 is about 7425.3691490727. The cubic root of 55136107 is about 380.6086897526.

The spelling of 55136107 in words is "fifty-five million, one hundred thirty-six thousand, one hundred seven".

Divisors: 1 13 4241239 55136107