505553099 has 2 divisors, whose sum is σ = 505553100. Its totient is φ = 505553098.

The previous prime is 505553093. The next prime is 505553117. The reversal of 505553099 is 990355505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505553099 - 2⁸ = 505552843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505553093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252776549 + 252776550.

It is an arithmetic number, because the mean of its divisors is an integer number (252776550).

Almost surely, 2^505553099 is an apocalyptic number.

505553099 is a deficient number, since it is larger than the sum of its proper divisors (1).

505553099 is an equidigital number, since it uses as much as digits as its factorization.

505553099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151875, while the sum is 41.

The square root of 505553099 is about 22484.5079777166. The cubic root of 505553099 is about 796.6280464424.

The spelling of 505553099 in words is "five hundred five million, five hundred fifty-three thousand, ninety-nine".