55270 has 8 divisors (see below), whose sum is σ = 99504. Its totient is φ = 22104.

The previous prime is 55259. The next prime is 55291. The reversal of 55270 is 7255.

It is a happy number.

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

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

55270 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 2754 + ... + 2773.

It is an arithmetic number, because the mean of its divisors is an integer number (12438).

2⁵⁵²⁷⁰ is an apocalyptic number.

55270 is a deficient number, since it is larger than the sum of its proper divisors (44234).

55270 is a wasteful number, since it uses less digits than its factorization.

55270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534.

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 55270 is about 235.0957251844. The cubic root of 55270 is about 38.0916531845.

It can be divided in two parts, 55 and 270, that added together give a triangular number (325 = T₂₅).

The spelling of 55270 in words is "fifty-five thousand, two hundred seventy".