2155683055 has 8 divisors (see below), whose sum is σ = 2617986672. Its totient is φ = 1703768448.

The previous prime is 2155683041. The next prime is 2155683067. The reversal of 2155683055 is 5503865512.

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 2155683055 - 2²⁵ = 2122128623 is a prime.

It is a super-2 number, since 2×2155683055² = 9293938867228266050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2155682999 and 2155683017.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2596794 + ... + 2597623.

It is an arithmetic number, because the mean of its divisors is an integer number (327248334).

Almost surely, 2^2155683055 is an apocalyptic number.

2155683055 is a deficient number, since it is larger than the sum of its proper divisors (462303617).

2155683055 is an equidigital number, since it uses as much as digits as its factorization.

2155683055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194505.

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 2155683055 is about 46429.3339926387. Note that the first 3 decimals coincide. The cubic root of 2155683055 is about 1291.7990752274.

The spelling of 2155683055 in words is "two billion, one hundred fifty-five million, six hundred eighty-three thousand, fifty-five".