55266 has 16 divisors (see below), whose sum is σ = 113088. Its totient is φ = 18000.

The previous prime is 55259. The next prime is 55291. The reversal of 55266 is 66255.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291 + ... + 441.

It is an arithmetic number, because the mean of its divisors is an integer number (7068).

2⁵⁵²⁶⁶ is an apocalyptic number.

55266 is an abundant number, since it is smaller than the sum of its proper divisors (57822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56544).

55266 is a wasteful number, since it uses less digits than its factorization.

55266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217.

The product of its digits is 1800, while the sum is 24.

The square root of 55266 is about 235.0872178575. The cubic root of 55266 is about 38.0907342394.

The spelling of 55266 in words is "fifty-five thousand, two hundred sixty-six".