1055759321 has 2 divisors, whose sum is σ = 1055759322. Its totient is φ = 1055759320.

The previous prime is 1055759291. The next prime is 1055759323. The reversal of 1055759321 is 1239575501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922033225 + 133726096 = 30365^2 + 11564^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055759321 - 2¹⁴ = 1055742937 is a prime.

It is a super-2 number, since 2×1055759321² = 2229255487756762082, which contains 22 as substring.

Together with 1055759323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1055759323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527879660 + 527879661.

It is an arithmetic number, because the mean of its divisors is an integer number (527879661).

Almost surely, 2^1055759321 is an apocalyptic number.

It is an amenable number.

1055759321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055759321 is an equidigital number, since it uses as much as digits as its factorization.

1055759321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 1055759321 is about 32492.4502153962. The cubic root of 1055759321 is about 1018.2513036828.

The spelling of 1055759321 in words is "one billion, fifty-five million, seven hundred fifty-nine thousand, three hundred twenty-one".