55005073 has 2 divisors, whose sum is σ = 55005074. Its totient is φ = 55005072.

The previous prime is 55005037. The next prime is 55005077. The reversal of 55005073 is 37050055.

It is a happy number.

Together with previous prime (55005037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36626704 + 18378369 = 6052^2 + 4287^2 .

It is a cyclic number.

It is not a de Polignac number, because 55005073 - 2²⁵ = 21450641 is a prime.

It is not a weakly prime, because it can be changed into another prime (55005077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502536 + 27502537.

It is an arithmetic number, because the mean of its divisors is an integer number (27502537).

Almost surely, 2^55005073 is an apocalyptic number.

It is an amenable number.

55005073 is a deficient number, since it is larger than the sum of its proper divisors (1).

55005073 is an equidigital number, since it uses as much as digits as its factorization.

55005073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 55005073 is about 7416.5405007995. The cubic root of 55005073 is about 380.3069380669.

The spelling of 55005073 in words is "fifty-five million, five thousand, seventy-three".