55205441505 has 24 divisors (see below), whose sum is σ = 95715127872. Its totient is φ = 29434995744.

The previous prime is 55205441479. The next prime is 55205441527. The reversal of 55205441505 is 50514450255.

55205441505 is a `hidden beast` number, since 5 + 5 + 205 + 441 + 5 + 0 + 5 = 666.

It is not a de Polignac number, because 55205441505 - 2¹⁵ = 55205408737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55205441505.

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 23 ways as a sum of consecutive naturals, for example, 6682 + ... + 332348.

It is an arithmetic number, because the mean of its divisors is an integer number (3988130328).

Almost surely, 2^55205441505 is an apocalyptic number.

It is an amenable number.

55205441505 is a deficient number, since it is larger than the sum of its proper divisors (40509686367).

55205441505 is a wasteful number, since it uses less digits than its factorization.

55205441505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329445 (or 329442 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 55205441505 in words is "fifty-five billion, two hundred five million, four hundred forty-one thousand, five hundred five".