55517062867867 has 4 divisors (see below), whose sum is σ = 57017524026496. Its totient is φ = 54016601709240.

The previous prime is 55517062867811. The next prime is 55517062867873. The reversal of 55517062867867 is 76876826071555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55517062867867 - 2¹⁹ = 55517062343579 is a prime.

It is a super-3 number, since 3×55517062867867³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55517062867867.

It is not an unprimeable number, because it can be changed into a prime (55517062867897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750230579259 + ... + 750230579332.

It is an arithmetic number, because the mean of its divisors is an integer number (14254381006624).

Almost surely, 2^{55517062867867} is an apocalyptic number.

55517062867867 is a deficient number, since it is larger than the sum of its proper divisors (1500461158629).

55517062867867 is a wasteful number, since it uses less digits than its factorization.

55517062867867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500461158628.

The product of its (nonzero) digits is 1185408000, while the sum is 73.

The spelling of 55517062867867 in words is "fifty-five trillion, five hundred seventeen billion, sixty-two million, eight hundred sixty-seven thousand, eight hundred sixty-seven".