505611050055 has 32 divisors (see below), whose sum is σ = 859491691200. Its totient is φ = 253323850752.

The previous prime is 505611050011. The next prime is 505611050057. The reversal of 505611050055 is 550050116505.

It is not a de Polignac number, because 505611050055 - 2¹³ = 505611041863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505611049998 and 505611050025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505611050057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15690990 + ... + 15723179.

It is an arithmetic number, because the mean of its divisors is an integer number (26859115350).

Almost surely, 2^505611050055 is an apocalyptic number.

505611050055 is a deficient number, since it is larger than the sum of its proper divisors (353880641145).

505611050055 is a wasteful number, since it uses less digits than its factorization.

505611050055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31414243.

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

The spelling of 505611050055 in words is "five hundred five billion, six hundred eleven million, fifty thousand, fifty-five".