55561050055 has 16 divisors (see below), whose sum is σ = 76228027200. Its totient is φ = 38083997952.

The previous prime is 55561050031. The next prime is 55561050079. The reversal of 55561050055 is 55005016555.

It is an interprime number because it is at equal distance from previous prime (55561050031) and next prime (55561050079).

It is not a de Polignac number, because 55561050055 - 2⁹ = 55561049543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55561049996 and 55561050023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222174 + ... + 400603.

It is an arithmetic number, because the mean of its divisors is an integer number (4764251700).

Almost surely, 2^55561050055 is an apocalyptic number.

55561050055 is a deficient number, since it is larger than the sum of its proper divisors (20666977145).

55561050055 is a wasteful number, since it uses less digits than its factorization.

55561050055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625338.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 55561050055 in words is "fifty-five billion, five hundred sixty-one million, fifty thousand, fifty-five".