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55086423 = 372623163
BaseRepresentation
bin1101001000100…
…0110101010111
310211122200100220
43102020311113
5103100231143
65244405423
71236140550
oct322106527
9124580326
1055086423
1129105277
1216546873
13b549622
14745d327
154c81d83
hex3488d57

55086423 has 8 divisors (see below), whose sum is σ = 83941248. Its totient is φ = 31477944.

The previous prime is 55086419. The next prime is 55086431. The reversal of 55086423 is 32468055.

55086423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55086423 - 22 = 55086419 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55086023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311561 + ... + 1311602.

It is an arithmetic number, because the mean of its divisors is an integer number (10492656).

Almost surely, 255086423 is an apocalyptic number.

55086423 is a deficient number, since it is larger than the sum of its proper divisors (28854825).

55086423 is a wasteful number, since it uses less digits than its factorization.

55086423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623173.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 55086423 is about 7422.0228374750. The cubic root of 55086423 is about 380.4943312671.

The spelling of 55086423 in words is "fifty-five million, eighty-six thousand, four hundred twenty-three".

Divisors: 1 3 7 21 2623163 7869489 18362141 55086423