2750055481 has 2 divisors, whose sum is σ = 2750055482. Its totient is φ = 2750055480.

The previous prime is 2750055479. The next prime is 2750055487. The reversal of 2750055481 is 1845500572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2174823225 + 575232256 = 46635^2 + 23984^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750055481 - 2¹ = 2750055479 is a prime.

It is a super-2 number, since 2×2750055481² = 15125610297156282722, which contains 22 as substring.

Together with 2750055479, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2750055481.

It is not a weakly prime, because it can be changed into another prime (2750055487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375027740 + 1375027741.

It is an arithmetic number, because the mean of its divisors is an integer number (1375027741).

Almost surely, 2^2750055481 is an apocalyptic number.

It is an amenable number.

2750055481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750055481 is an equidigital number, since it uses as much as digits as its factorization.

2750055481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 2750055481 is about 52440.9713964187. The cubic root of 2750055481 is about 1401.0290870791.

The spelling of 2750055481 in words is "two billion, seven hundred fifty million, fifty-five thousand, four hundred eighty-one".