1055449167 has 4 divisors (see below), whose sum is σ = 1407265560. Its totient is φ = 703632776.

The previous prime is 1055449163. The next prime is 1055449169. The reversal of 1055449167 is 7619445501.

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 1055449167 - 2² = 1055449163 is a prime.

It is a super-2 number, since 2×1055449167² = 2227945888241987778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055449163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175908192 + ... + 175908197.

It is an arithmetic number, because the mean of its divisors is an integer number (351816390).

Almost surely, 2^1055449167 is an apocalyptic number.

1055449167 is a deficient number, since it is larger than the sum of its proper divisors (351816393).

1055449167 is an equidigital number, since it uses as much as digits as its factorization.

1055449167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351816392.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 1055449167 is about 32487.6771561157. The cubic root of 1055449167 is about 1018.1515822028.

The spelling of 1055449167 in words is "one billion, fifty-five million, four hundred forty-nine thousand, one hundred sixty-seven".