1055389289 has 2 divisors, whose sum is σ = 1055389290. Its totient is φ = 1055389288.

The previous prime is 1055389273. The next prime is 1055389301. The reversal of 1055389289 is 9829835501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1047169600 + 8219689 = 32360^2 + 2867^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055389289 - 2⁴ = 1055389273 is a prime.

It is a super-2 number, since 2×1055389289² = 2227693102671851042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055389229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527694644 + 527694645.

It is an arithmetic number, because the mean of its divisors is an integer number (527694645).

Almost surely, 2^1055389289 is an apocalyptic number.

It is an amenable number.

1055389289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055389289 is an equidigital number, since it uses as much as digits as its factorization.

1055389289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 50.

The square root of 1055389289 is about 32486.7555936262. The cubic root of 1055389289 is about 1018.1323278306.

The spelling of 1055389289 in words is "one billion, fifty-five million, three hundred eighty-nine thousand, two hundred eighty-nine".