55666655067 has 8 divisors (see below), whose sum is σ = 76228212496. Its totient is φ = 36108100512.

The previous prime is 55666655047. The next prime is 55666655071. The reversal of 55666655067 is 76055666655.

It is a happy number.

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

It is not a de Polignac number, because 55666655067 - 2⁶ = 55666655003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55666654998 and 55666655016.

It is not an unprimeable number, because it can be changed into a prime (55666655017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250750588 + ... + 250750809.

It is an arithmetic number, because the mean of its divisors is an integer number (9528526562).

Almost surely, 2^55666655067 is an apocalyptic number.

55666655067 is a deficient number, since it is larger than the sum of its proper divisors (20561557429).

55666655067 is a wasteful number, since it uses less digits than its factorization.

55666655067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501501437.

The product of its (nonzero) digits is 34020000, while the sum is 57.

The spelling of 55666655067 in words is "fifty-five billion, six hundred sixty-six million, six hundred fifty-five thousand, sixty-seven".