505550530053 has 24 divisors (see below), whose sum is σ = 765446922240. Its totient is φ = 321166520640.

The previous prime is 505550529961. The next prime is 505550530087. The reversal of 505550530053 is 350035055505.

505550530053 is a `hidden beast` number, since 5 + 0 + 5 + 550 + 53 + 0 + 0 + 53 = 666.

It is not a de Polignac number, because 505550530053 - 2²⁰ = 505549481477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505550530853) 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 23 ways as a sum of consecutive naturals, for example, 15915013 + ... + 15946746.

It is an arithmetic number, because the mean of its divisors is an integer number (31893621760).

Almost surely, 2^505550530053 is an apocalyptic number.

It is an amenable number.

505550530053 is a deficient number, since it is larger than the sum of its proper divisors (259896392187).

505550530053 is a wasteful number, since it uses less digits than its factorization.

505550530053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31861849 (or 31861846 counting only the distinct ones).

The product of its (nonzero) digits is 140625, while the sum is 36.

Adding to 505550530053 its reverse (350035055505), we get a palindrome (855585585558).

The spelling of 505550530053 in words is "five hundred five billion, five hundred fifty million, five hundred thirty thousand, fifty-three".