505500106 has 4 divisors (see below), whose sum is σ = 758250162. Its totient is φ = 252750052.

The previous prime is 505500103. The next prime is 505500109. The reversal of 505500106 is 601005505.

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

It is an interprime number because it is at equal distance from previous prime (505500103) and next prime (505500109).

It can be written as a sum of positive squares in only one way, i.e., 501536025 + 3964081 = 22395^2 + 1991^2 .

It is a super-2 number, since 2×505500106² = 511060714332022472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505500101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126375025 + ... + 126375028.

Almost surely, 2^505500106 is an apocalyptic number.

505500106 is a deficient number, since it is larger than the sum of its proper divisors (252750056).

505500106 is a wasteful number, since it uses less digits than its factorization.

505500106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252750055.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 505500106 is about 22483.3295132193. The cubic root of 505500106 is about 796.6002108004.

The spelling of 505500106 in words is "five hundred five million, five hundred thousand, one hundred six".