54567067861 has 2 divisors, whose sum is σ = 54567067862. Its totient is φ = 54567067860.

The previous prime is 54567067847. The next prime is 54567067889. The reversal of 54567067861 is 16876076545.

54567067861 is digitally balanced in base 2, 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., 39922437636 + 14644630225 = 199806^2 + 121015^2 .

It is a cyclic number.

It is not a de Polignac number, because 54567067861 - 2¹⁵ = 54567035093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54567077861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27283533930 + 27283533931.

It is an arithmetic number, because the mean of its divisors is an integer number (27283533931).

Almost surely, 2^54567067861 is an apocalyptic number.

It is an amenable number.

54567067861 is a deficient number, since it is larger than the sum of its proper divisors (1).

54567067861 is an equidigital number, since it uses as much as digits as its factorization.

54567067861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 54567067861 in words is "fifty-four billion, five hundred sixty-seven million, sixty-seven thousand, eight hundred sixty-one".