55196617 has 8 divisors (see below), whose sum is σ = 63161856. Its totient is φ = 47251392.

The previous prime is 55196597. The next prime is 55196621. The reversal of 55196617 is 71669155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55196617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55196617.

It is not an unprimeable number, because it can be changed into a prime (55196627) 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, 1473 + ... + 10609.

It is an arithmetic number, because the mean of its divisors is an integer number (7895232).

Almost surely, 2^55196617 is an apocalyptic number.

It is an amenable number.

55196617 is a deficient number, since it is larger than the sum of its proper divisors (7965239).

55196617 is an equidigital number, since it uses as much as digits as its factorization.

55196617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007.

The product of its digits is 56700, while the sum is 40.

The square root of 55196617 is about 7429.4425766675. The cubic root of 55196617 is about 380.7478738740.

The spelling of 55196617 in words is "fifty-five million, one hundred ninety-six thousand, six hundred seventeen".