55066417 has 16 divisors (see below), whose sum is σ = 67900032. Its totient is φ = 43580160.

The previous prime is 55066409. The next prime is 55066421. The reversal of 55066417 is 71466055.

It is a happy number.

55066417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55066417 - 2³ = 55066409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55066457) 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 15 ways as a sum of consecutive naturals, for example, 1942 + ... + 10672.

It is an arithmetic number, because the mean of its divisors is an integer number (4243752).

Almost surely, 2^55066417 is an apocalyptic number.

It is an amenable number.

55066417 is a deficient number, since it is larger than the sum of its proper divisors (12833615).

55066417 is a wasteful number, since it uses less digits than its factorization.

55066417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 55066417 is about 7420.6749693003. The cubic root of 55066417 is about 380.4482637071.

The spelling of 55066417 in words is "fifty-five million, sixty-six thousand, four hundred seventeen".