55660616601 has 8 divisors (see below), whose sum is σ = 74755865184. Its totient is φ = 36836222880.

The previous prime is 55660616581. The next prime is 55660616621. The reversal of 55660616601 is 10661606655.

It is an interprime number because it is at equal distance from previous prime (55660616581) and next prime (55660616621).

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

It is not a de Polignac number, because 55660616601 - 2²⁹ = 55123745689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55660616621) 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, 67713235 + ... + 67714056.

It is an arithmetic number, because the mean of its divisors is an integer number (9344483148).

Almost surely, 2^55660616601 is an apocalyptic number.

It is an amenable number.

55660616601 is a deficient number, since it is larger than the sum of its proper divisors (19095248583).

55660616601 is a wasteful number, since it uses less digits than its factorization.

55660616601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135427431.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 55660616601 in words is "fifty-five billion, six hundred sixty million, six hundred sixteen thousand, six hundred one".