55006667 has 4 divisors (see below), whose sum is σ = 55520856. Its totient is φ = 54492480.

The previous prime is 55006643. The next prime is 55006669. The reversal of 55006667 is 76660055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55006667 - 2¹⁴ = 54990283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55006669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256934 + ... + 257147.

It is an arithmetic number, because the mean of its divisors is an integer number (13880214).

Almost surely, 2^55006667 is an apocalyptic number.

55006667 is a deficient number, since it is larger than the sum of its proper divisors (514189).

55006667 is a wasteful number, since it uses less digits than its factorization.

55006667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514188.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 55006667 is about 7416.6479625232. The cubic root of 55006667 is about 380.3106116881.

It can be divided in two parts, 5500 and 6667, that added together give a cube (12167 = 23³).

The spelling of 55006667 in words is "fifty-five million, six thousand, six hundred sixty-seven".