2755504991 has 2 divisors, whose sum is σ = 2755504992. Its totient is φ = 2755504990.

The previous prime is 2755504951. The next prime is 2755505021. The reversal of 2755504991 is 1994055572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2755504991 - 2¹⁴ = 2755488607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2755504901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377752495 + 1377752496.

It is an arithmetic number, because the mean of its divisors is an integer number (1377752496).

Almost surely, 2^2755504991 is an apocalyptic number.

2755504991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2755504991 is an equidigital number, since it uses as much as digits as its factorization.

2755504991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 47.

The square root of 2755504991 is about 52492.9041966626. The cubic root of 2755504991 is about 1401.9539028992.

The spelling of 2755504991 in words is "two billion, seven hundred fifty-five million, five hundred four thousand, nine hundred ninety-one".