2755779752 has 64 divisors (see below), whose sum is σ = 5905440000. Its totient is φ = 1194036480.

The previous prime is 2755779739. The next prime is 2755779787. The reversal of 2755779752 is 2579775572.

It is a super-3 number, since 3×2755779752³ (a number of 29 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194774 + ... + 208442.

It is an arithmetic number, because the mean of its divisors is an integer number (92272500).

Almost surely, 2^2755779752 is an apocalyptic number.

2755779752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2755779752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2952720000).

2755779752 is an abundant number, since it is smaller than the sum of its proper divisors (3149660248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2755779752 is a wasteful number, since it uses less digits than its factorization.

2755779752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13794 (or 13790 counting only the distinct ones).

The product of its digits is 10804500, while the sum is 56.

The square root of 2755779752 is about 52495.5212565796. The cubic root of 2755779752 is about 1402.0004992526. Note that the first 3 decimals are identical.

The spelling of 2755779752 in words is "two billion, seven hundred fifty-five million, seven hundred seventy-nine thousand, seven hundred fifty-two".