55605050561 has 8 divisors (see below), whose sum is σ = 56240582400. Its totient is φ = 54969757920.

The previous prime is 55605050537. The next prime is 55605050569. The reversal of 55605050561 is 16505050655.

55605050561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55605050561 - 2³⁰ = 54531308737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55605050569) 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, 430616 + ... + 544646.

It is an arithmetic number, because the mean of its divisors is an integer number (7030072800).

Almost surely, 2^55605050561 is an apocalyptic number.

It is an amenable number.

55605050561 is a deficient number, since it is larger than the sum of its proper divisors (635531839).

55605050561 is a wasteful number, since it uses less digits than its factorization.

55605050561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119599.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 55605050561 in words is "fifty-five billion, six hundred five million, fifty thousand, five hundred sixty-one".