55006 has 8 divisors (see below), whose sum is σ = 94320. Its totient is φ = 23568.

The previous prime is 55001. The next prime is 55009. The reversal of 55006 is 60055.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001) 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 3 ways as a sum of consecutive naturals, for example, 1951 + ... + 1978.

It is an arithmetic number, because the mean of its divisors is an integer number (11790).

2⁵⁵⁰⁰⁶ is an apocalyptic number.

55006 is a deficient number, since it is larger than the sum of its proper divisors (39314).

55006 is a wasteful number, since it uses less digits than its factorization.

55006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 55006 is about 234.5335796853. The cubic root of 55006 is about 38.0309074491.

The spelling of 55006 in words is "fifty-five thousand, six".