55556050061 has 4 divisors (see below), whose sum is σ = 55707429312. Its totient is φ = 55404670812.

The previous prime is 55556050049. The next prime is 55556050091. The reversal of 55556050061 is 16005065555.

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 not a de Polignac number, because 55556050061 - 2¹⁰ = 55556049037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55556049997 and 55556050024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55556050091) 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, 75689075 + ... + 75689808.

It is an arithmetic number, because the mean of its divisors is an integer number (13926857328).

Almost surely, 2^55556050061 is an apocalyptic number.

It is an amenable number.

55556050061 is a deficient number, since it is larger than the sum of its proper divisors (151379251).

55556050061 is a wasteful number, since it uses less digits than its factorization.

55556050061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151379250.

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

The spelling of 55556050061 in words is "fifty-five billion, five hundred fifty-six million, fifty thousand, sixty-one".