553665089 has 2 divisors, whose sum is σ = 553665090. Its totient is φ = 553665088.

The previous prime is 553665037. The next prime is 553665103. The reversal of 553665089 is 980566355.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 457232689 + 96432400 = 21383^2 + 9820^2 .

It is a cyclic number.

It is not a de Polignac number, because 553665089 - 2⁸ = 553664833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (553665289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276832544 + 276832545.

It is an arithmetic number, because the mean of its divisors is an integer number (276832545).

Almost surely, 2^553665089 is an apocalyptic number.

It is an amenable number.

553665089 is a deficient number, since it is larger than the sum of its proper divisors (1).

553665089 is an equidigital number, since it uses as much as digits as its factorization.

553665089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 47.

The square root of 553665089 is about 23530.0890138563. The cubic root of 553665089 is about 821.1371734816.

The spelling of 553665089 in words is "five hundred fifty-three million, six hundred sixty-five thousand, eighty-nine".