275585551 has 2 divisors, whose sum is σ = 275585552. Its totient is φ = 275585550.

The previous prime is 275585543. The next prime is 275585603. The reversal of 275585551 is 155585572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275585551 - 2³ = 275585543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 275585498 and 275585507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275585851) 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 as a sum of consecutive naturals, namely, 137792775 + 137792776.

It is an arithmetic number, because the mean of its divisors is an integer number (137792776).

Almost surely, 2^275585551 is an apocalyptic number.

275585551 is a deficient number, since it is larger than the sum of its proper divisors (1).

275585551 is an equidigital number, since it uses as much as digits as its factorization.

275585551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 350000, while the sum is 43.

The square root of 275585551 is about 16600.7695905943. The cubic root of 275585551 is about 650.7569493257.

The spelling of 275585551 in words is "two hundred seventy-five million, five hundred eighty-five thousand, five hundred fifty-one".