505550213 has 16 divisors (see below), whose sum is σ = 593733504. Its totient is φ = 421424640.

The previous prime is 505550209. The next prime is 505550219. The reversal of 505550213 is 312055505.

It is not a de Polignac number, because 505550213 - 2² = 505550209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505550219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94106 + ... + 99332.

It is an arithmetic number, because the mean of its divisors is an integer number (37108344).

Almost surely, 2^505550213 is an apocalyptic number.

It is an amenable number.

505550213 is a deficient number, since it is larger than the sum of its proper divisors (88183291).

505550213 is a wasteful number, since it uses less digits than its factorization.

505550213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 505550213 is about 22484.4438001032. The cubic root of 505550213 is about 796.6265305628.

The spelling of 505550213 in words is "five hundred five million, five hundred fifty thousand, two hundred thirteen".