554155289 has 2 divisors, whose sum is σ = 554155290. Its totient is φ = 554155288.

The previous prime is 554155271. The next prime is 554155291. The reversal of 554155289 is 982551455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515653264 + 38502025 = 22708^2 + 6205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554155289 is a prime.

It is a Sophie Germain prime.

Together with 554155291, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (554155219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277077644 + 277077645.

It is an arithmetic number, because the mean of its divisors is an integer number (277077645).

Almost surely, 2^554155289 is an apocalyptic number.

It is an amenable number.

554155289 is a deficient number, since it is larger than the sum of its proper divisors (1).

554155289 is an equidigital number, since it uses as much as digits as its factorization.

554155289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360000, while the sum is 44.

The square root of 554155289 is about 23540.5031594484. The cubic root of 554155289 is about 821.3794394983.

The spelling of 554155289 in words is "five hundred fifty-four million, one hundred fifty-five thousand, two hundred eighty-nine".