55505605605601 has 8 divisors (see below), whose sum is σ = 55532593409600. Its totient is φ = 55478623682160.

The previous prime is 55505605605599. The next prime is 55505605605629. The reversal of 55505605605601 is 10650650650555.

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 55505605605601 - 2¹ = 55505605605599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55505605645601) 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, 17471380 + ... + 20402458.

It is an arithmetic number, because the mean of its divisors is an integer number (6941574176200).

Almost surely, 2^{55505605605601} is an apocalyptic number.

It is an amenable number.

55505605605601 is a deficient number, since it is larger than the sum of its proper divisors (26987803999).

55505605605601 is a wasteful number, since it uses less digits than its factorization.

55505605605601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940279.

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 55505605605601 in words is "fifty-five trillion, five hundred five billion, six hundred five million, six hundred five thousand, six hundred one".