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55805344 = 257249131
BaseRepresentation
bin1101010011100…
…0010110100000
310220000012112121
43110320112200
5103241232334
65312034024
71245223540
oct324702640
9126005477
1055805344
1129556421
1216832914
13b73b91a
1475a9320
154d74db4
hex35385a0

55805344 has 24 divisors (see below), whose sum is σ = 125562528. Its totient is φ = 23916480.

The previous prime is 55805333. The next prime is 55805359. The reversal of 55805344 is 44350855.

It is a super-2 number, since 2×558053442 = 6228472837916672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124342 + ... + 124789.

It is an arithmetic number, because the mean of its divisors is an integer number (5231772).

Almost surely, 255805344 is an apocalyptic number.

It is an amenable number.

55805344 is an abundant number, since it is smaller than the sum of its proper divisors (69757184).

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

55805344 is a wasteful number, since it uses less digits than its factorization.

55805344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249148 (or 249140 counting only the distinct ones).

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

The square root of 55805344 is about 7470.2974505705. The cubic root of 55805344 is about 382.1424320156.

The spelling of 55805344 in words is "fifty-five million, eight hundred five thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 249131 498262 996524 1743917 1993048 3487834 3986096 6975668 7972192 13951336 27902672 55805344