109554089 has 2 divisors, whose sum is σ = 109554090. Its totient is φ = 109554088.

The previous prime is 109554079. The next prime is 109554097. The reversal of 109554089 is 980455901.

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., 67108864 + 42445225 = 8192^2 + 6515^2 .

It is a cyclic number.

It is not a de Polignac number, because 109554089 - 2⁸ = 109553833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (109554079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54777044 + 54777045.

It is an arithmetic number, because the mean of its divisors is an integer number (54777045).

Almost surely, 2^109554089 is an apocalyptic number.

It is an amenable number.

109554089 is a deficient number, since it is larger than the sum of its proper divisors (1).

109554089 is an equidigital number, since it uses as much as digits as its factorization.

109554089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 109554089 is about 10466.8089215386. The cubic root of 109554089 is about 478.4936704522.

The spelling of 109554089 in words is "one hundred nine million, five hundred fifty-four thousand, eighty-nine".