500005555051 has 4 divisors (see below), whose sum is σ = 500007028600. Its totient is φ = 500004081504.

The previous prime is 500005555019. The next prime is 500005555067. The reversal of 500005555051 is 150555500005.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 500005555051 - 2⁵ = 500005555019 is a prime.

It is a super-2 number, since 2×500005555051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500005555351) 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, 57955 + ... + 1001683.

It is an arithmetic number, because the mean of its divisors is an integer number (125001757150).

Almost surely, 2^500005555051 is an apocalyptic number.

500005555051 is a deficient number, since it is larger than the sum of its proper divisors (1473549).

500005555051 is an equidigital number, since it uses as much as digits as its factorization.

500005555051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473548.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 500005555051 in words is "five hundred billion, five million, five hundred fifty-five thousand, fifty-one".