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55027 = 721123
BaseRepresentation
bin1101011011110011
32210111001
431123303
53230102
61102431
7316300
oct153363
983431
1055027
1138385
1227a17
131c07b
14160a7
1511487
hexd6f3

55027 has 6 divisors (see below), whose sum is σ = 64068. Its totient is φ = 47124.

The previous prime is 55021. The next prime is 55049. The reversal of 55027 is 72055.

It is a happy number.

It is not a de Polignac number, because 55027 - 215 = 22259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54995 and 55013.

It is not an unprimeable number, because it can be changed into a prime (55021) 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 5 ways as a sum of consecutive naturals, for example, 513 + ... + 610.

It is an arithmetic number, because the mean of its divisors is an integer number (10678).

255027 is an apocalyptic number.

55027 is a deficient number, since it is larger than the sum of its proper divisors (9041).

55027 is a wasteful number, since it uses less digits than its factorization.

55027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 55027 is about 234.5783451216. The cubic root of 55027 is about 38.0357466027.

The spelling of 55027 in words is "fifty-five thousand, twenty-seven".

Divisors: 1 7 49 1123 7861 55027