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55727 = 719419
BaseRepresentation
bin1101100110101111
32211102222
431212233
53240402
61105555
7321320
oct154657
984388
1055727
1138961
12282bb
131c499
1416447
15117a2
hexd9af

55727 has 8 divisors (see below), whose sum is σ = 67200. Its totient is φ = 45144.

The previous prime is 55721. The next prime is 55733. The reversal of 55727 is 72755.

It is an interprime number because it is at equal distance from previous prime (55721) and next prime (55733).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55727 - 24 = 55711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55696 and 55705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55721) 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 7 ways as a sum of consecutive naturals, for example, 77 + ... + 342.

It is an arithmetic number, because the mean of its divisors is an integer number (8400).

255727 is an apocalyptic number.

55727 is a deficient number, since it is larger than the sum of its proper divisors (11473).

55727 is a wasteful number, since it uses less digits than its factorization.

55727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its digits is 2450, while the sum is 26.

The square root of 55727 is about 236.0656688297. The cubic root of 55727 is about 38.1963520908.

The spelling of 55727 in words is "fifty-five thousand, seven hundred twenty-seven".

Divisors: 1 7 19 133 419 2933 7961 55727