55061006081 has 2 divisors, whose sum is σ = 55061006082. Its totient is φ = 55061006080.

The previous prime is 55061006027. The next prime is 55061006111. The reversal of 55061006081 is 18060016055.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54950861056 + 110145025 = 234416^2 + 10495^2 .

It is a cyclic number.

It is not a de Polignac number, because 55061006081 - 2¹⁸ = 55060743937 is a prime.

It is a super-2 number, since 2×55061006081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55061006381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27530503040 + 27530503041.

It is an arithmetic number, because the mean of its divisors is an integer number (27530503041).

Almost surely, 2^55061006081 is an apocalyptic number.

It is an amenable number.

55061006081 is a deficient number, since it is larger than the sum of its proper divisors (1).

55061006081 is an equidigital number, since it uses as much as digits as its factorization.

55061006081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 55061006081 in words is "fifty-five billion, sixty-one million, six thousand, eighty-one".