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55144677 = 374755871
BaseRepresentation
bin1101001001011…
…1000011100101
310211202122021110
43102113003211
5103104112202
65245535233
71236502440
oct322270345
9124678243
1055144677
1129145015
1216574519
13b569cb3
147476657
154c9426c
hex34970e5

55144677 has 16 divisors (see below), whose sum is σ = 85819392. Its totient is φ = 30840240.

The previous prime is 55144673. The next prime is 55144679. The reversal of 55144677 is 77644155.

55144677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55144677 - 22 = 55144673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55144673) 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 15 ways as a sum of consecutive naturals, for example, 26949 + ... + 28922.

It is an arithmetic number, because the mean of its divisors is an integer number (5363712).

Almost surely, 255144677 is an apocalyptic number.

It is an amenable number.

55144677 is a deficient number, since it is larger than the sum of its proper divisors (30674715).

55144677 is a wasteful number, since it uses less digits than its factorization.

55144677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55928.

The product of its digits is 117600, while the sum is 39.

The square root of 55144677 is about 7425.9462023368. The cubic root of 55144677 is about 380.6284085156.

The spelling of 55144677 in words is "fifty-five million, one hundred forty-four thousand, six hundred seventy-seven".

Divisors: 1 3 7 21 47 141 329 987 55871 167613 391097 1173291 2625937 7877811 18381559 55144677