275275530553 has 4 divisors (see below), whose sum is σ = 275296333428. Its totient is φ = 275254727680.

The previous prime is 275275530533. The next prime is 275275530583. The reversal of 275275530553 is 355035572572.

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

It can be written as a sum of positive squares in 2 ways, for example, as 230296331664 + 44979198889 = 479892^2 + 212083^2 .

It is a cyclic number.

It is not a de Polignac number, because 275275530553 - 2²⁹ = 274738659641 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275275530497 and 275275530506.

It is not an unprimeable number, because it can be changed into a prime (275275530503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10381576 + ... + 10408057.

It is an arithmetic number, because the mean of its divisors is an integer number (68824083357).

Almost surely, 2^275275530553 is an apocalyptic number.

It is an amenable number.

275275530553 is a deficient number, since it is larger than the sum of its proper divisors (20802875).

275275530553 is a wasteful number, since it uses less digits than its factorization.

275275530553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20802874.

The product of its (nonzero) digits is 5512500, while the sum is 49.

The spelling of 275275530553 in words is "two hundred seventy-five billion, two hundred seventy-five million, five hundred thirty thousand, five hundred fifty-three".