55005065 has 4 divisors (see below), whose sum is σ = 66006084. Its totient is φ = 44004048.

The previous prime is 55005037. The next prime is 55005073. The reversal of 55005065 is 56050055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56050055 = 5 ⋅11210011.

It can be written as a sum of positive squares in 2 ways, for example, as 39740416 + 15264649 = 6304^2 + 3907^2 .

It is a cyclic number.

It is not a de Polignac number, because 55005065 - 2¹⁰ = 55004041 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500502 + ... + 5500511.

It is an arithmetic number, because the mean of its divisors is an integer number (16501521).

Almost surely, 2^55005065 is an apocalyptic number.

It is an amenable number.

55005065 is a deficient number, since it is larger than the sum of its proper divisors (11001019).

55005065 is a wasteful number, since it uses less digits than its factorization.

55005065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001018.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55005065 is about 7416.5399614645. The cubic root of 55005065 is about 380.3069196294.

The spelling of 55005065 in words is "fifty-five million, five thousand, sixty-five".