1055806171 has 8 divisors (see below), whose sum is σ = 1212954624. Its totient is φ = 900237480.

The previous prime is 1055806127. The next prime is 1055806177. The reversal of 1055806171 is 1716085501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1055806171 - 2¹⁵ = 1055773403 is a prime.

It is a super-2 number, since 2×1055806171² = 2229453341443362482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055806177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393505 + ... + 396178.

It is an arithmetic number, because the mean of its divisors is an integer number (151619328).

Almost surely, 2^1055806171 is an apocalyptic number.

1055806171 is a deficient number, since it is larger than the sum of its proper divisors (157148453).

1055806171 is an equidigital number, since it uses as much as digits as its factorization.

1055806171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789881.

The product of its (nonzero) digits is 8400, while the sum is 34.

The square root of 1055806171 is about 32493.1711441035. The cubic root of 1055806171 is about 1018.2663653125.

The spelling of 1055806171 in words is "one billion, fifty-five million, eight hundred six thousand, one hundred seventy-one".