505545053163 has 8 divisors (see below), whose sum is σ = 709536916800. Its totient is φ = 319291612488.

The previous prime is 505545053159. The next prime is 505545053183. The reversal of 505545053163 is 361350545505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505545053163 - 2² = 505545053159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505545053113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4434605673 + ... + 4434605786.

It is an arithmetic number, because the mean of its divisors is an integer number (88692114600).

Almost surely, 2^505545053163 is an apocalyptic number.

505545053163 is a deficient number, since it is larger than the sum of its proper divisors (203991863637).

505545053163 is a wasteful number, since it uses less digits than its factorization.

505545053163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8869211481.

The product of its (nonzero) digits is 675000, while the sum is 42.

Adding to 505545053163 its reverse (361350545505), we get a palindrome (866895598668).

The spelling of 505545053163 in words is "five hundred five billion, five hundred forty-five million, fifty-three thousand, one hundred sixty-three".