55056005511081 has 8 divisors (see below), whose sum is σ = 76599659841600. Its totient is φ = 35108177427312.

The previous prime is 55056005511029. The next prime is 55056005511083. The reversal of 55056005511081 is 18011550065055.

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

It is not a de Polignac number, because 55056005511081 - 2¹⁰ = 55056005510057 is a prime.

It is a super-3 number, since 3×55056005511081³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55056005511083) 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, 398956561606 + ... + 398956561743.

It is an arithmetic number, because the mean of its divisors is an integer number (9574957480200).

Almost surely, 2^{55056005511081} is an apocalyptic number.

It is an amenable number.

55056005511081 is a deficient number, since it is larger than the sum of its proper divisors (21543654330519).

55056005511081 is a wasteful number, since it uses less digits than its factorization.

55056005511081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797913123375.

The product of its (nonzero) digits is 150000, while the sum is 42.

The spelling of 55056005511081 in words is "fifty-five trillion, fifty-six billion, five million, five hundred eleven thousand, eighty-one".