55275 has 24 divisors (see below), whose sum is σ = 101184. Its totient is φ = 26400.

The previous prime is 55259. The next prime is 55291. The reversal of 55275 is 57255.

55275 is nontrivially palindromic in base 2.

It is an interprime number because it is at equal distance from previous prime (55259) and next prime (55291).

It is not a de Polignac number, because 55275 - 2⁴ = 55259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 792 + ... + 858.

It is an arithmetic number, because the mean of its divisors is an integer number (4216).

2⁵⁵²⁷⁵ is an apocalyptic number.

55275 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55275 is a deficient number, since it is larger than the sum of its proper divisors (45909).

55275 is a wasteful number, since it uses less digits than its factorization.

55275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 86 counting only the distinct ones).

The product of its digits is 1750, while the sum is 24.

The square root of 55275 is about 235.1063589102. The cubic root of 55275 is about 38.0928018035.

The spelling of 55275 in words is "fifty-five thousand, two hundred seventy-five".