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55144414 = 21310611999
BaseRepresentation
bin1101001001011…
…0111111011110
310211202121220201
43102112333132
5103104110124
65245534114
71236501613
oct322267736
9124677821
1055144414
11291448a6
121657433a
13b569b40
14747650a
154c94144
hex3496fde

55144414 has 16 divisors (see below), whose sum is σ = 89208000. Its totient is φ = 25414560.

The previous prime is 55144391. The next prime is 55144421. The reversal of 55144414 is 41444155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26587 + ... + 28585.

It is an arithmetic number, because the mean of its divisors is an integer number (5575500).

Almost surely, 255144414 is an apocalyptic number.

55144414 is a deficient number, since it is larger than the sum of its proper divisors (34063586).

55144414 is a wasteful number, since it uses less digits than its factorization.

55144414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075.

The product of its digits is 6400, while the sum is 28.

The square root of 55144414 is about 7425.9284941346. The cubic root of 55144414 is about 380.6278034078.

Adding to 55144414 its reverse (41444155), we get a palindrome (96588569).

The spelling of 55144414 in words is "fifty-five million, one hundred forty-four thousand, four hundred fourteen".

Divisors: 1 2 13 26 1061 1999 2122 3998 13793 25987 27586 51974 2120939 4241878 27572207 55144414