275505530 has 16 divisors (see below), whose sum is σ = 498653064. Its totient is φ = 109592640.

The previous prime is 275505521. The next prime is 275505547. The reversal of 275505530 is 35505572.

It can be written as a sum of positive squares in 4 ways, for example, as 57441241 + 218064289 = 7579^2 + 14767^2 .

It is a Curzon number.

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, 74297 + ... + 77916.

Almost surely, 2^275505530 is an apocalyptic number.

275505530 is a deficient number, since it is larger than the sum of its proper divisors (223147534).

275505530 is a wasteful number, since it uses less digits than its factorization.

275505530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152401.

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 275505530 is about 16598.3592562639. The cubic root of 275505530 is about 650.6939570744.

The spelling of 275505530 in words is "two hundred seventy-five million, five hundred five thousand, five hundred thirty".