500055999997 has 4 divisors (see below), whose sum is σ = 500242799836. Its totient is φ = 499869200160.

The previous prime is 500055999983. The next prime is 500056000021. The reversal of 500055999997 is 799999550005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 799999550005 = 5 ⋅159999910001.

It can be written as a sum of positive squares in 2 ways, for example, as 95542191801 + 404513808196 = 309099^2 + 636014^2 .

It is a cyclic number.

It is not a de Polignac number, because 500055999997 - 2⁷ = 500055999869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500055991997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93395904 + ... + 93401257.

It is an arithmetic number, because the mean of its divisors is an integer number (125060699959).

Almost surely, 2^500055999997 is an apocalyptic number.

It is an amenable number.

500055999997 is a deficient number, since it is larger than the sum of its proper divisors (186799839).

500055999997 is a wasteful number, since it uses less digits than its factorization.

500055999997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186799838.

The product of its (nonzero) digits is 51667875, while the sum is 67.

The spelling of 500055999997 in words is "five hundred billion, fifty-five million, nine hundred ninety-nine thousand, nine hundred ninety-seven".