500551099 has 2 divisors, whose sum is σ = 500551100. Its totient is φ = 500551098.

The previous prime is 500551091. The next prime is 500551123. The reversal of 500551099 is 990155005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 500551099 - 2³ = 500551091 is a prime.

It is not a weakly prime, because it can be changed into another prime (500551091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250275549 + 250275550.

It is an arithmetic number, because the mean of its divisors is an integer number (250275550).

Almost surely, 2^500551099 is an apocalyptic number.

500551099 is a deficient number, since it is larger than the sum of its proper divisors (1).

500551099 is an equidigital number, since it uses as much as digits as its factorization.

500551099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10125, while the sum is 34.

The square root of 500551099 is about 22372.9993295490. Note that the first 3 decimals coincide. The cubic root of 500551099 is about 793.9920239583.

The spelling of 500551099 in words is "five hundred million, five hundred fifty-one thousand, ninety-nine".