5555672861 has 2 divisors, whose sum is σ = 5555672862. Its totient is φ = 5555672860.

The previous prime is 5555672851. The next prime is 5555672891. The reversal of 5555672861 is 1682765555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3576757636 + 1978915225 = 59806^2 + 44485^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555672861 - 2⁶ = 5555672797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5555672851) 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, 2777836430 + 2777836431.

It is an arithmetic number, because the mean of its divisors is an integer number (2777836431).

Almost surely, 2^5555672861 is an apocalyptic number.

It is an amenable number.

5555672861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555672861 is an equidigital number, since it uses as much as digits as its factorization.

5555672861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520000, while the sum is 50.

The square root of 5555672861 is about 74536.3861546829. The cubic root of 5555672861 is about 1771.1100807802.

The spelling of 5555672861 in words is "five billion, five hundred fifty-five million, six hundred seventy-two thousand, eight hundred sixty-one".