553681327 has 2 divisors, whose sum is σ = 553681328. Its totient is φ = 553681326.

The previous prime is 553681321. The next prime is 553681339. The reversal of 553681327 is 723186355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553681327 - 2¹⁵ = 553648559 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553681327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553681321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276840663 + 276840664.

It is an arithmetic number, because the mean of its divisors is an integer number (276840664).

Almost surely, 2^553681327 is an apocalyptic number.

553681327 is a deficient number, since it is larger than the sum of its proper divisors (1).

553681327 is an equidigital number, since it uses as much as digits as its factorization.

553681327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 553681327 is about 23530.4340588949. The cubic root of 553681327 is about 821.1452008947.

The spelling of 553681327 in words is "five hundred fifty-three million, six hundred eighty-one thousand, three hundred twenty-seven".