1055489163 has 4 divisors (see below), whose sum is σ = 1407318888. Its totient is φ = 703659440.

The previous prime is 1055489153. The next prime is 1055489207. The reversal of 1055489163 is 3619845501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1055489163 - 2⁵ = 1055489131 is a prime.

It is a super-2 number, since 2×1055489163² = 2228114746420881138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055489153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175914858 + ... + 175914863.

It is an arithmetic number, because the mean of its divisors is an integer number (351829722).

Almost surely, 2^1055489163 is an apocalyptic number.

1055489163 is a deficient number, since it is larger than the sum of its proper divisors (351829725).

1055489163 is an equidigital number, since it uses as much as digits as its factorization.

1055489163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351829724.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 1055489163 is about 32488.2927067582. The cubic root of 1055489163 is about 1018.1644429126.

The spelling of 1055489163 in words is "one billion, fifty-five million, four hundred eighty-nine thousand, one hundred sixty-three".