56255 has 4 divisors (see below), whose sum is σ = 67512. Its totient is φ = 45000.
The previous prime is 56249. The next prime is 56263. The reversal of 56255 is 55265.
56255 = T79 + T80 + ... + T93.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 56255 - 24 = 56239 is a prime.
It is a Duffinian number.
It is a plaindrome in base 6 and base 8.
It is a self number, because there is not a number n which added to its sum of digits gives 56255.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5621 + ... + 5630.
It is an arithmetic number, because the mean of its divisors is an integer number (16878).
256255 is an apocalyptic number.
56255 is a deficient number, since it is larger than the sum of its proper divisors (11257).
56255 is a wasteful number, since it uses less digits than its factorization.
56255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11256.
The product of its digits is 1500, while the sum is 23.
The square root of 56255 is about 237.1813652039. The cubic root of 56255 is about 38.3166068593.
Subtracting from 56255 its reverse (55265), we obtain a triangular number (990 = T44).
The spelling of 56255 in words is "fifty-six thousand, two hundred fifty-five".
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