55567681499641 has 2 divisors, whose sum is σ = 55567681499642. Its totient is φ = 55567681499640.

The previous prime is 55567681499623. The next prime is 55567681499647. The reversal of 55567681499641 is 14699418676555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43372814326416 + 12194867173225 = 6585804^2 + 3492115^2 .

It is a cyclic number.

It is not a de Polignac number, because 55567681499641 - 2¹⁵ = 55567681466873 is a prime.

It is not a weakly prime, because it can be changed into another prime (55567681499647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27783840749820 + 27783840749821.

It is an arithmetic number, because the mean of its divisors is an integer number (27783840749821).

Almost surely, 2^{55567681499641} is an apocalyptic number.

It is an amenable number.

55567681499641 is a deficient number, since it is larger than the sum of its proper divisors (1).

55567681499641 is an equidigital number, since it uses as much as digits as its factorization.

55567681499641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552000, while the sum is 76.

The spelling of 55567681499641 in words is "fifty-five trillion, five hundred sixty-seven billion, six hundred eighty-one million, four hundred ninety-nine thousand, six hundred forty-one".