275552881 has 8 divisors (see below), whose sum is σ = 295759944. Its totient is φ = 255790080.

The previous prime is 275552821. The next prime is 275552887. The reversal of 275552881 is 188255572.

It can be written as a sum of positive squares in 4 ways, for example, as 29062881 + 246490000 = 5391^2 + 15700^2 .

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 275552881 - 2²³ = 267164273 is a prime.

It is a super-2 number, since 2×275552881² = 151858780454800322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275552887) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 109780 + ... + 112261.

It is an arithmetic number, because the mean of its divisors is an integer number (36969993).

Almost surely, 2^275552881 is an apocalyptic number.

It is an amenable number.

275552881 is a deficient number, since it is larger than the sum of its proper divisors (20207063).

275552881 is a wasteful number, since it uses less digits than its factorization.

275552881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222131.

The product of its digits is 224000, while the sum is 43.

The square root of 275552881 is about 16599.7855709042. The cubic root of 275552881 is about 650.7312330891.

The spelling of 275552881 in words is "two hundred seventy-five million, five hundred fifty-two thousand, eight hundred eighty-one".