552640213 has 4 divisors (see below), whose sum is σ = 581726560. Its totient is φ = 523553868.

The previous prime is 552640183. The next prime is 552640223. The reversal of 552640213 is 312046255.

552640213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312046255 = 5 ⋅62409251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552640213 is a prime.

It is a super-2 number, since 2×552640213² = 610822410049370738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552640223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14543145 + ... + 14543182.

It is an arithmetic number, because the mean of its divisors is an integer number (145431640).

Almost surely, 2^552640213 is an apocalyptic number.

It is an amenable number.

552640213 is a deficient number, since it is larger than the sum of its proper divisors (29086347).

552640213 is a wasteful number, since it uses less digits than its factorization.

552640213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29086346.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 552640213 is about 23508.3009381793. The cubic root of 552640213 is about 820.6301981764.

Adding to 552640213 its reverse (312046255), we get a palindrome (864686468).

The spelling of 552640213 in words is "five hundred fifty-two million, six hundred forty thousand, two hundred thirteen".