2755800505 has 4 divisors (see below), whose sum is σ = 3306960612. Its totient is φ = 2204640400.

The previous prime is 2755800503. The next prime is 2755800533. The reversal of 2755800505 is 5050085572.

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 723233449 + 2032567056 = 26893^2 + 45084^2 .

It is not a de Polignac number, because 2755800505 - 2¹ = 2755800503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2755800503) 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, 275580046 + ... + 275580055.

It is an arithmetic number, because the mean of its divisors is an integer number (826740153).

Almost surely, 2^2755800505 is an apocalyptic number.

It is an amenable number.

2755800505 is a deficient number, since it is larger than the sum of its proper divisors (551160107).

2755800505 is an equidigital number, since it uses as much as digits as its factorization.

2755800505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551160106.

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 2755800505 is about 52495.7189206891. The cubic root of 2755800505 is about 1402.0040186006.

The spelling of 2755800505 in words is "two billion, seven hundred fifty-five million, eight hundred thousand, five hundred five".