55606050061 has 4 divisors (see below), whose sum is σ = 55619706492. Its totient is φ = 55592393632.

The previous prime is 55606050053. The next prime is 55606050067. The reversal of 55606050061 is 16005060655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16005060655 = 5 ⋅3201012131.

It can be written as a sum of positive squares in 2 ways, for example, as 25432275625 + 30173774436 = 159475^2 + 173706^2 .

It is a cyclic number.

It is not a de Polignac number, because 55606050061 - 2³ = 55606050053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55606049999 and 55606050026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55606050067) 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, 6822106 + ... + 6830251.

It is an arithmetic number, because the mean of its divisors is an integer number (13904926623).

Almost surely, 2^55606050061 is an apocalyptic number.

It is an amenable number.

55606050061 is a deficient number, since it is larger than the sum of its proper divisors (13656431).

55606050061 is a wasteful number, since it uses less digits than its factorization.

55606050061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13656430.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 55606050061 in words is "fifty-five billion, six hundred six million, fifty thousand, sixty-one".