275005555 has 8 divisors (see below), whose sum is σ = 360007344. Its totient is φ = 200004000.

The previous prime is 275005547. The next prime is 275005561. The reversal of 275005555 is 555500572.

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

It is not a de Polignac number, because 275005555 - 2³ = 275005547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 275005555.

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, 2499996 + ... + 2500105.

It is an arithmetic number, because the mean of its divisors is an integer number (45000918).

Almost surely, 2^275005555 is an apocalyptic number.

275005555 is a deficient number, since it is larger than the sum of its proper divisors (85001789).

275005555 is a wasteful number, since it uses less digits than its factorization.

275005555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000117.

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 275005555 is about 16583.2914404831. The cubic root of 275005555 is about 650.3001020541.

The spelling of 275005555 in words is "two hundred seventy-five million, five thousand, five hundred fifty-five".