505550201 has 8 divisors (see below), whose sum is σ = 562001664. Its totient is φ = 451607760.

The previous prime is 505550167. The next prime is 505550209. The reversal of 505550201 is 102055505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505550201 is a prime.

It is a super-2 number, since 2×505550201² = 511162011462280802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505550209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626831 + ... + 627636.

It is an arithmetic number, because the mean of its divisors is an integer number (70250208).

Almost surely, 2^505550201 is an apocalyptic number.

It is an amenable number.

505550201 is a deficient number, since it is larger than the sum of its proper divisors (56451463).

505550201 is a wasteful number, since it uses less digits than its factorization.

505550201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254511.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 505550201 is about 22484.4435332521. The cubic root of 505550201 is about 796.6265242598.

The spelling of 505550201 in words is "five hundred five million, five hundred fifty thousand, two hundred one".