55505500611 has 8 divisors (see below), whose sum is σ = 80735273664. Its totient is φ = 33639697320.

The previous prime is 55505500607. The next prime is 55505500627. The reversal of 55505500611 is 11600550555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55505500611 - 2² = 55505500607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1681984867 = 55505500611 / (5 + 5 + 5 + 0 + 5 + 5 + 0 + 0 + 6 + 1 + 1).

It is not an unprimeable number, because it can be changed into a prime (55505500691) 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 7 ways as a sum of consecutive naturals, for example, 840992401 + ... + 840992466.

It is an arithmetic number, because the mean of its divisors is an integer number (10091909208).

Almost surely, 2^55505500611 is an apocalyptic number.

55505500611 is a deficient number, since it is larger than the sum of its proper divisors (25229773053).

55505500611 is a wasteful number, since it uses less digits than its factorization.

55505500611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681984881.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 55505500611 in words is "fifty-five billion, five hundred five million, five hundred thousand, six hundred eleven".