55050505055 has 48 divisors (see below), whose sum is σ = 82965544704. Its totient is φ = 34757452800.

The previous prime is 55050505049. The next prime is 55050505063.

55050505055 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55050505055 - 2⁴ = 55050505039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1255634 + ... + 1298736.

It is an arithmetic number, because the mean of its divisors is an integer number (1728448848).

Almost surely, 2^55050505055 is an apocalyptic number.

55050505055 is a deficient number, since it is larger than the sum of its proper divisors (27915039649).

55050505055 is a wasteful number, since it uses less digits than its factorization.

55050505055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43536 (or 43529 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55050505055 in words is "fifty-five billion, fifty million, five hundred five thousand, fifty-five".