2755340881 has 4 divisors (see below), whose sum is σ = 2756494692. Its totient is φ = 2754187072.

The previous prime is 2755340869. The next prime is 2755340891. The reversal of 2755340881 is 1880435572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1219406400 + 1535934481 = 34920^2 + 39191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2755340881 - 2¹⁵ = 2755308113 is a prime.

It is a super-2 number, since 2×2755340881² = 15183806741019712322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2755340851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573316 + ... + 578101.

It is an arithmetic number, because the mean of its divisors is an integer number (689123673).

Almost surely, 2^2755340881 is an apocalyptic number.

It is an amenable number.

2755340881 is a deficient number, since it is larger than the sum of its proper divisors (1153811).

2755340881 is a wasteful number, since it uses less digits than its factorization.

2755340881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153810.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 2755340881 is about 52491.3410097323. The cubic root of 2755340881 is about 1401.9260702244.

The spelling of 2755340881 in words is "two billion, seven hundred fifty-five million, three hundred forty thousand, eight hundred eighty-one".