505500099 has 16 divisors (see below), whose sum is σ = 726298272. Its totient is φ = 310883328.

The previous prime is 505500089. The next prime is 505500101. The reversal of 505500099 is 990005505.

It is not a de Polignac number, because 505500099 - 2⁵ = 505500067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505500089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83379 + ... + 89235.

It is an arithmetic number, because the mean of its divisors is an integer number (45393642).

Almost surely, 2^505500099 is an apocalyptic number.

505500099 is a deficient number, since it is larger than the sum of its proper divisors (220798173).

505500099 is a wasteful number, since it uses less digits than its factorization.

505500099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8086.

The product of its (nonzero) digits is 10125, while the sum is 33.

The square root of 505500099 is about 22483.3293575485. The cubic root of 505500099 is about 796.6002071234.

The spelling of 505500099 in words is "five hundred five million, five hundred thousand, ninety-nine".