275000555 has 4 divisors (see below), whose sum is σ = 330000672. Its totient is φ = 220000440.

The previous prime is 275000549. The next prime is 275000567. The reversal of 275000555 is 555000572.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 275000555 - 2¹⁶ = 274935019 is a prime.

It is a Duffinian number.

275000555 is a modest number, since divided by 555 gives 275 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27500051 + ... + 27500060.

It is an arithmetic number, because the mean of its divisors is an integer number (82500168).

Almost surely, 2^275000555 is an apocalyptic number.

275000555 is a deficient number, since it is larger than the sum of its proper divisors (55000117).

275000555 is an equidigital number, since it uses as much as digits as its factorization.

275000555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55000116.

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

The square root of 275000555 is about 16583.1406856482. The cubic root of 275000555 is about 650.2961608971.

The spelling of 275000555 in words is "two hundred seventy-five million, five hundred fifty-five", and thus it is an aban number.