55255310081 has 8 divisors (see below), whose sum is σ = 55507086240. Its totient is φ = 55004013792.

The previous prime is 55255310029. The next prime is 55255310093. The reversal of 55255310081 is 18001355255.

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 55255310081 - 2⁶ = 55255310017 is a prime.

It is a super-2 number, since 2×55255310081² (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 (55255310021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111866 + ... + 350748.

It is an arithmetic number, because the mean of its divisors is an integer number (6938385780).

Almost surely, 2^55255310081 is an apocalyptic number.

It is an amenable number.

55255310081 is a deficient number, since it is larger than the sum of its proper divisors (251776159).

55255310081 is a wasteful number, since it uses less digits than its factorization.

55255310081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239935.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 55255310081 in words is "fifty-five billion, two hundred fifty-five million, three hundred ten thousand, eighty-one".