551500213 has 48 divisors (see below), whose sum is σ = 687173760. Its totient is φ = 439464960.

The previous prime is 551500189. The next prime is 551500237. The reversal of 551500213 is 312005155.

It is an interprime number because it is at equal distance from previous prime (551500189) and next prime (551500237).

It is not a de Polignac number, because 551500213 - 2¹³ = 551492021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551500283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4025481 + ... + 4025617.

It is an arithmetic number, because the mean of its divisors is an integer number (14316120).

Almost surely, 2^551500213 is an apocalyptic number.

It is an amenable number.

551500213 is a deficient number, since it is larger than the sum of its proper divisors (135673547).

551500213 is a wasteful number, since it uses less digits than its factorization.

551500213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 287 counting only the distinct ones).

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

The square root of 551500213 is about 23484.0416666297. The cubic root of 551500213 is about 820.0655375935.

Adding to 551500213 its reverse (312005155), we get a palindrome (863505368).

The spelling of 551500213 in words is "five hundred fifty-one million, five hundred thousand, two hundred thirteen".