55060560100561 has 4 divisors (see below), whose sum is σ = 57958484316400. Its totient is φ = 52162635884724.

The previous prime is 55060560100493. The next prime is 55060560100573. The reversal of 55060560100561 is 16500106506055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55060560100561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55060560100061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448962107891 + ... + 1448962107928.

It is an arithmetic number, because the mean of its divisors is an integer number (14489621079100).

Almost surely, 2^{55060560100561} is an apocalyptic number.

It is an amenable number.

55060560100561 is a deficient number, since it is larger than the sum of its proper divisors (2897924215839).

55060560100561 is a wasteful number, since it uses less digits than its factorization.

55060560100561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897924215838.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 55060560100561 in words is "fifty-five trillion, sixty billion, five hundred sixty million, one hundred thousand, five hundred sixty-one".