55646717 has 8 divisors (see below), whose sum is σ = 65147712. Its totient is φ = 46533600.

The previous prime is 55646713. The next prime is 55646753. The reversal of 55646717 is 71764655.

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 55646717 - 2² = 55646713 is a prime.

It is a super-2 number, since 2×55646717² = 6193114225756178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55646713) 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, 96659 + ... + 97232.

It is an arithmetic number, because the mean of its divisors is an integer number (8143464).

Almost surely, 2^55646717 is an apocalyptic number.

It is an amenable number.

55646717 is a deficient number, since it is larger than the sum of its proper divisors (9500995).

55646717 is a wasteful number, since it uses less digits than its factorization.

55646717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193939.

The product of its digits is 176400, while the sum is 41.

The square root of 55646717 is about 7459.6727140003. The cubic root of 55646717 is about 381.7800077395.

The spelling of 55646717 in words is "fifty-five million, six hundred forty-six thousand, seven hundred seventeen".