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55051327 = 83663269
BaseRepresentation
bin1101001000000…
…0010000111111
310211120220020001
43102000100333
5103043120302
65243535131
71235633332
oct322002077
9124526201
1055051327
1129090971
121652a4a7
13b536666
147450619
154c76787
hex348043f

55051327 has 4 divisors (see below), whose sum is σ = 55714680. Its totient is φ = 54387976.

The previous prime is 55051313. The next prime is 55051333. The reversal of 55051327 is 72315055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55051327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55051295 and 55051304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55051027) by changing a digit.

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, 331552 + ... + 331717.

It is an arithmetic number, because the mean of its divisors is an integer number (13928670).

Almost surely, 255051327 is an apocalyptic number.

55051327 is a deficient number, since it is larger than the sum of its proper divisors (663353).

55051327 is an equidigital number, since it uses as much as digits as its factorization.

55051327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663352.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 55051327 is about 7419.6581457639. The cubic root of 55051327 is about 380.4135087748.

The spelling of 55051327 in words is "fifty-five million, fifty-one thousand, three hundred twenty-seven".

Divisors: 1 83 663269 55051327