275555 has 8 divisors (see below), whose sum is σ = 377952. Its totient is φ = 188928.

The previous prime is 275549. The next prime is 275573. The reversal of 275555 is 555572.

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

It is a cyclic number.

It is not a de Polignac number, because 275555 - 2⁶ = 275491 is a prime.

It is a Duffinian number.

275555 is a modest number, since divided by 555 gives 275 as remainder.

It is a plaindrome in base 12.

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, 3902 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (47244).

2²⁷⁵⁵⁵⁵ is an apocalyptic number.

275555 is a deficient number, since it is larger than the sum of its proper divisors (102397).

275555 is an equidigital number, since it uses as much as digits as its factorization.

275555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885.

The product of its digits is 8750, while the sum is 29.

The square root of 275555 is about 524.9333291000. The cubic root of 275555 is about 65.0732901125.

It can be divided in two parts, 2755 and 55, that multiplied together give a triangular number (151525 = T₅₅₀).

The spelling of 275555 in words is "two hundred seventy-five thousand, five hundred fifty-five".