55567681500665 has 8 divisors (see below), whose sum is σ = 66784279965120. Its totient is φ = 44385437090992.

The previous prime is 55567681500659. The next prime is 55567681500739. The reversal of 55567681500665 is 56600518676555.

It is a happy number.

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 55567681500665 - 2¹⁰ = 55567681499641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8588510135 + ... + 8588516604.

It is an arithmetic number, because the mean of its divisors is an integer number (8348034995640).

Almost surely, 2^{55567681500665} is an apocalyptic number.

It is an amenable number.

55567681500665 is a deficient number, since it is larger than the sum of its proper divisors (11216598464455).

55567681500665 is a wasteful number, since it uses less digits than its factorization.

55567681500665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17177027391.

The product of its (nonzero) digits is 226800000, while the sum is 65.

The spelling of 55567681500665 in words is "fifty-five trillion, five hundred sixty-seven billion, six hundred eighty-one million, five hundred thousand, six hundred sixty-five".