5555023681 has 2 divisors, whose sum is σ = 5555023682. Its totient is φ = 5555023680.

The previous prime is 5555023633. The next prime is 5555023739. The reversal of 5555023681 is 1863205555.

5555023681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4456764081 + 1098259600 = 66759^2 + 33140^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555023681 - 2⁹ = 5555023169 is a prime.

It is a super-2 number, since 2×5555023681² = 61716576192941579522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5555023081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777511840 + 2777511841.

It is an arithmetic number, because the mean of its divisors is an integer number (2777511841).

Almost surely, 2^5555023681 is an apocalyptic number.

It is an amenable number.

5555023681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555023681 is an equidigital number, since it uses as much as digits as its factorization.

5555023681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 5555023681 is about 74532.0312416078. The cubic root of 5555023681 is about 1771.0410933951.

The spelling of 5555023681 in words is "five billion, five hundred fifty-five million, twenty-three thousand, six hundred eighty-one".