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55255 = 543257
BaseRepresentation
bin1101011111010111
32210210111
431133113
53232010
61103451
7320044
oct153727
983714
1055255
1138572
1227b87
131c1c5
14161cb
151158a
hexd7d7

55255 has 8 divisors (see below), whose sum is σ = 68112. Its totient is φ = 43008.

The previous prime is 55249. The next prime is 55259.

55255 is nontrivially palindromic in base 4 and base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 55255 - 27 = 55127 is a prime.

55255 is an undulating number in base 16.

55255 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87 + ... + 343.

It is an arithmetic number, because the mean of its divisors is an integer number (8514).

255255 is an apocalyptic number.

55255 is a deficient number, since it is larger than the sum of its proper divisors (12857).

55255 is a wasteful number, since it uses less digits than its factorization.

55255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305.

The product of its digits is 1250, while the sum is 22.

The square root of 55255 is about 235.0638211210. The cubic root of 55255 is about 38.0882069117.

The spelling of 55255 in words is "fifty-five thousand, two hundred fifty-five".

Divisors: 1 5 43 215 257 1285 11051 55255