55073017 has 4 divisors (see below), whose sum is σ = 57467520. Its totient is φ = 52678516.

The previous prime is 55073003. The next prime is 55073021. The reversal of 55073017 is 71037055.

55073017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71037055 = 5 ⋅14207411.

It is a cyclic number.

It is not a de Polignac number, because 55073017 - 2⁷ = 55072889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55073027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197217 + ... + 1197262.

It is an arithmetic number, because the mean of its divisors is an integer number (14366880).

Almost surely, 2^55073017 is an apocalyptic number.

It is an amenable number.

55073017 is a deficient number, since it is larger than the sum of its proper divisors (2394503).

55073017 is a wasteful number, since it uses less digits than its factorization.

55073017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394502.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 55073017 is about 7421.1196594584. The cubic root of 55073017 is about 380.4634626757.

The spelling of 55073017 in words is "fifty-five million, seventy-three thousand, seventeen".