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55465144 = 2372343063
BaseRepresentation
bin1101001110010…
…1010010111000
310212100220212121
43103211102320
5103144341034
65300451024
71242305650
oct323452270
9125326777
1055465144
1129343869
12166a9a74
13b64cb17
14751b360
154d091b4
hex34e54b8

55465144 has 32 divisors (see below), whose sum is σ = 124024320. Its totient is φ = 22736736.

The previous prime is 55465127. The next prime is 55465187. The reversal of 55465144 is 44156455.

55465144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 20244 + ... + 22819.

It is an arithmetic number, because the mean of its divisors is an integer number (3875760).

Almost surely, 255465144 is an apocalyptic number.

It is an amenable number.

55465144 is an abundant number, since it is smaller than the sum of its proper divisors (68559176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55465144 is a wasteful number, since it uses less digits than its factorization.

55465144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43099 (or 43095 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 55465144 is about 7447.4924639103. The cubic root of 55465144 is about 381.3643110060.

The spelling of 55465144 in words is "fifty-five million, four hundred sixty-five thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 43063 86126 172252 301441 344504 602882 990449 1205764 1980898 2411528 3961796 6933143 7923592 13866286 27732572 55465144