55116014081 has 4 divisors (see below), whose sum is σ = 55603766532. Its totient is φ = 54628261632.

The previous prime is 55116014077. The next prime is 55116014087. The reversal of 55116014081 is 18041061155.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16878167056 + 38237847025 = 129916^2 + 195545^2 .

It is a cyclic number.

It is not a de Polignac number, because 55116014081 - 2² = 55116014077 is a prime.

It is a super-2 number, since 2×55116014081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55116014087) 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, 243876056 + ... + 243876281.

It is an arithmetic number, because the mean of its divisors is an integer number (13900941633).

Almost surely, 2^55116014081 is an apocalyptic number.

It is an amenable number.

55116014081 is a deficient number, since it is larger than the sum of its proper divisors (487752451).

55116014081 is a wasteful number, since it uses less digits than its factorization.

55116014081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487752450.

The product of its (nonzero) digits is 4800, while the sum is 32.

The spelling of 55116014081 in words is "fifty-five billion, one hundred sixteen million, fourteen thousand, eighty-one".