505000555055 has 16 divisors (see below), whose sum is σ = 607908811104. Its totient is φ = 402730298880.

The previous prime is 505000554997. The next prime is 505000555057. The reversal of 505000555055 is 550555000505.

It is not a de Polignac number, because 505000555055 - 2⁶ = 505000554991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505000555057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1960019 + ... + 2202651.

It is an arithmetic number, because the mean of its divisors is an integer number (37994300694).

Almost surely, 2^505000555055 is an apocalyptic number.

505000555055 is a deficient number, since it is larger than the sum of its proper divisors (102908256049).

505000555055 is a wasteful number, since it uses less digits than its factorization.

505000555055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243946.

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

The spelling of 505000555055 in words is "five hundred five billion, five hundred fifty-five thousand, fifty-five".