55269 has 16 divisors (see below), whose sum is σ = 86400. Its totient is φ = 34848.

The previous prime is 55259. The next prime is 55291. The reversal of 55269 is 96255.

It is not a de Polignac number, because 55269 - 2¹⁵ = 22501 is a prime.

It is a super-2 number, since 2×55269² = 6109324722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 (55219) 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 15 ways as a sum of consecutive naturals, for example, 577 + ... + 665.

It is an arithmetic number, because the mean of its divisors is an integer number (5400).

2⁵⁵²⁶⁹ is an apocalyptic number.

It is an amenable number.

55269 is a deficient number, since it is larger than the sum of its proper divisors (31131).

55269 is a wasteful number, since it uses less digits than its factorization.

55269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 115 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 55269 is about 235.0935983816. The cubic root of 55269 is about 38.0914234524.

It can be divided in two parts, 55 and 269, that added together give a square (324 = 18²).

The spelling of 55269 in words is "fifty-five thousand, two hundred sixty-nine".