55065667 has 8 divisors (see below), whose sum is σ = 58041360. Its totient is φ = 52097760.

The previous prime is 55065649. The next prime is 55065677. The reversal of 55065667 is 76656055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55065667 - 2⁷ = 55065539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55065677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17817 + ... + 20677.

It is an arithmetic number, because the mean of its divisors is an integer number (7255170).

Almost surely, 2^55065667 is an apocalyptic number.

55065667 is a deficient number, since it is larger than the sum of its proper divisors (2975693).

55065667 is a wasteful number, since it uses less digits than its factorization.

55065667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 55065667 is about 7420.6244346416. The cubic root of 55065667 is about 380.4465364748.

The spelling of 55065667 in words is "fifty-five million, sixty-five thousand, six hundred sixty-seven".