275505775 has 12 divisors (see below), whose sum is σ = 348897312. Its totient is φ = 215714240.

The previous prime is 275505743. The next prime is 275505793. The reversal of 275505775 is 577505572.

It is not a de Polignac number, because 275505775 - 2⁵ = 275505743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116062 + ... + 118411.

It is an arithmetic number, because the mean of its divisors is an integer number (29074776).

Almost surely, 2^275505775 is an apocalyptic number.

275505775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

275505775 is a deficient number, since it is larger than the sum of its proper divisors (73391537).

275505775 is a wasteful number, since it uses less digits than its factorization.

275505775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234530 (or 234525 counting only the distinct ones).

The product of its (nonzero) digits is 428750, while the sum is 43.

The square root of 275505775 is about 16598.3666365098. The cubic root of 275505775 is about 650.6941499561.

The spelling of 275505775 in words is "two hundred seventy-five million, five hundred five thousand, seven hundred seventy-five".