2775552045 has 32 divisors (see below), whose sum is σ = 5161328640. Its totient is φ = 1247315520.

The previous prime is 2775552041. The next prime is 2775552061. The reversal of 2775552045 is 5402555772.

2775552045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2775552045 - 2² = 2775552041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2775551988 and 2775552006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775552041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217821 + ... + 230210.

It is an arithmetic number, because the mean of its divisors is an integer number (161291520).

Almost surely, 2^2775552045 is an apocalyptic number.

It is an amenable number.

2775552045 is a deficient number, since it is larger than the sum of its proper divisors (2385776595).

2775552045 is a wasteful number, since it uses less digits than its factorization.

2775552045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448105.

The product of its (nonzero) digits is 490000, while the sum is 42.

The square root of 2775552045 is about 52683.5082829532. The cubic root of 2775552045 is about 1405.3455573673.

It can be divided in two parts, 27755 and 52045, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 2775552045 in words is "two billion, seven hundred seventy-five million, five hundred fifty-two thousand, forty-five".