505055550049 has 4 divisors (see below), whose sum is σ = 515801412864. Its totient is φ = 494309687236.

The previous prime is 505055550019. The next prime is 505055550059. The reversal of 505055550049 is 940055550505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 505055550049 - 2¹⁷ = 505055418977 is a prime.

It is a super-2 number, since 2×505055550049² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505055549987 and 505055550014.

It is not an unprimeable number, because it can be changed into a prime (505055550019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5372931337 + ... + 5372931430.

It is an arithmetic number, because the mean of its divisors is an integer number (128950353216).

Almost surely, 2^505055550049 is an apocalyptic number.

It is an amenable number.

505055550049 is a deficient number, since it is larger than the sum of its proper divisors (10745862815).

505055550049 is a wasteful number, since it uses less digits than its factorization.

505055550049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10745862814.

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 505055550049 in words is "five hundred five billion, fifty-five million, five hundred fifty thousand, forty-nine".