55767 has 8 divisors (see below), whose sum is σ = 77040.
Its totient is φ = 35840.
The previous prime is 55763. The next prime is 55787. The reversal of 55767 is 76755.
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 55767 - 22 = 55763 is a prime.
It is a plaindrome in base 15.
It is a nialpdrome in base 3 and base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55763) 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, 234 + ... + 407.
It is an arithmetic number, because the mean of its divisors is an integer number (9630).
255767 is an apocalyptic number.
55767 is a deficient number, since it is larger than the sum of its proper divisors (21273).
55767 is a wasteful number, since it uses less digits than its factorization.
55767 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 673.
The product of its digits is 7350, while the sum is 30.
The square root of 55767 is about 236.1503758202.
The cubic root of 55767 is about 38.2054888269.
The spelling of 55767 in words is "fifty-five thousand, seven hundred sixty-seven".