500000555597 has 2 divisors, whose sum is σ = 500000555598. Its totient is φ = 500000555596.

The previous prime is 500000555569. The next prime is 500000555599. The reversal of 500000555597 is 795555000005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485187474916 + 14813080681 = 696554^2 + 121709^2 .

It is a cyclic number.

It is not a de Polignac number, because 500000555597 - 2²⁸ = 499732120141 is a prime.

It is a super-3 number, since 3×500000555597³ (a number of 36 digits) contains 333 as substring.

Together with 500000555599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500000555599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250000277798 + 250000277799.

It is an arithmetic number, because the mean of its divisors is an integer number (250000277799).

Almost surely, 2^500000555597 is an apocalyptic number.

It is an amenable number.

500000555597 is a deficient number, since it is larger than the sum of its proper divisors (1).

500000555597 is an equidigital number, since it uses as much as digits as its factorization.

500000555597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196875, while the sum is 41.

The spelling of 500000555597 in words is "five hundred billion, five hundred fifty-five thousand, five hundred ninety-seven".