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55445156 = 22131066253
BaseRepresentation
bin1101001110000…
…0011010100100
310212022220110022
43103200122210
5103143221111
65300214312
71242163454
oct323403244
9125286408
1055445156
112932a848
121669a398
13b6439b0
147513d64
154d032db
hex34e06a4

55445156 has 12 divisors (see below), whose sum is σ = 104492892. Its totient is φ = 25590048.

The previous prime is 55445141. The next prime is 55445167. The reversal of 55445156 is 65154455.

It can be written as a sum of positive squares in 2 ways, for example, as 29333056 + 26112100 = 5416^2 + 5110^2 .

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, 533075 + ... + 533178.

It is an arithmetic number, because the mean of its divisors is an integer number (8707741).

Almost surely, 255445156 is an apocalyptic number.

It is an amenable number.

55445156 is a deficient number, since it is larger than the sum of its proper divisors (49047736).

55445156 is a wasteful number, since it uses less digits than its factorization.

55445156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066270 (or 1066268 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 55445156 is about 7446.1504148117. The cubic root of 55445156 is about 381.3184946900.

The spelling of 55445156 in words is "fifty-five million, four hundred forty-five thousand, one hundred fifty-six".

Divisors: 1 2 4 13 26 52 1066253 2132506 4265012 13861289 27722578 55445156