55305263311081 has 8 divisors (see below), whose sum is σ = 64550824047360. Its totient is φ = 46395904783488.

The previous prime is 55305263311007. The next prime is 55305263311099. The reversal of 55305263311081 is 18011336250355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55305263311081 - 2¹¹ = 55305263309033 is a prime.

It is a super-3 number, since 3×55305263311081³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (55305263317081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84050551816 + ... + 84050552473.

It is an arithmetic number, because the mean of its divisors is an integer number (8068853005920).

Almost surely, 2^{55305263311081} is an apocalyptic number.

It is an amenable number.

55305263311081 is a deficient number, since it is larger than the sum of its proper divisors (9245560736279).

55305263311081 is a wasteful number, since it uses less digits than its factorization.

55305263311081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168101104343.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 55305263311081 in words is "fifty-five trillion, three hundred five billion, two hundred sixty-three million, three hundred eleven thousand, eighty-one".