505055555486 has 4 divisors (see below), whose sum is σ = 757583333232. Its totient is φ = 252527777742.

The previous prime is 505055555447. The next prime is 505055555507. The reversal of 505055555486 is 684555550505.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×505055555486² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126263888870 + ... + 126263888873.

It is an arithmetic number, because the mean of its divisors is an integer number (189395833308).

Almost surely, 2^505055555486 is an apocalyptic number.

505055555486 is a deficient number, since it is larger than the sum of its proper divisors (252527777746).

505055555486 is a wasteful number, since it uses less digits than its factorization.

505055555486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252527777745.

The product of its (nonzero) digits is 15000000, while the sum is 53.

The spelling of 505055555486 in words is "five hundred five billion, fifty-five million, five hundred fifty-five thousand, four hundred eighty-six".