275172055 has 4 divisors (see below), whose sum is σ = 330206472. Its totient is φ = 220137640.

The previous prime is 275172049. The next prime is 275172061. The reversal of 275172055 is 550271572.

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

It is an interprime number because it is at equal distance from previous prime (275172049) and next prime (275172061).

It is not a de Polignac number, because 275172055 - 2⁹ = 275171543 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 275172055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27517201 + ... + 27517210.

It is an arithmetic number, because the mean of its divisors is an integer number (82551618).

Almost surely, 2^275172055 is an apocalyptic number.

275172055 is a deficient number, since it is larger than the sum of its proper divisors (55034417).

275172055 is an equidigital number, since it uses as much as digits as its factorization.

275172055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55034416.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 275172055 is about 16588.3107940501. The cubic root of 275172055 is about 650.4313153101.

The spelling of 275172055 in words is "two hundred seventy-five million, one hundred seventy-two thousand, fifty-five".