2755775155 has 8 divisors (see below), whose sum is σ = 3779348832. Its totient is φ = 1889674368.

The previous prime is 2755775131. The next prime is 2755775161. The reversal of 2755775155 is 5515775572.

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 2755775155 - 2¹⁷ = 2755644083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2755775099 and 2755775108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39368182 + ... + 39368251.

It is an arithmetic number, because the mean of its divisors is an integer number (472418604).

Almost surely, 2^2755775155 is an apocalyptic number.

2755775155 is a deficient number, since it is larger than the sum of its proper divisors (1023573677).

2755775155 is an equidigital number, since it uses as much as digits as its factorization.

2755775155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78736445.

The product of its digits is 2143750, while the sum is 49.

The square root of 2755775155 is about 52495.4774718737. The cubic root of 2755775155 is about 1401.9997196790. Note that the first 3 decimals are identical.

The spelling of 2755775155 in words is "two billion, seven hundred fifty-five million, seven hundred seventy-five thousand, one hundred fifty-five".