552043221 has 4 divisors (see below), whose sum is σ = 736057632. Its totient is φ = 368028812.

The previous prime is 552043213. The next prime is 552043223. The reversal of 552043221 is 122340255.

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.

It is a cyclic number.

It is not a de Polignac number, because 552043221 - 2³ = 552043213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 552043191 and 552043200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552043223) 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, 92007201 + ... + 92007206.

It is an arithmetic number, because the mean of its divisors is an integer number (184014408).

Almost surely, 2^552043221 is an apocalyptic number.

It is an amenable number.

552043221 is a deficient number, since it is larger than the sum of its proper divisors (184014411).

552043221 is a wasteful number, since it uses less digits than its factorization.

552043221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184014410.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 552043221 is about 23495.6000349002. The cubic root of 552043221 is about 820.3345952586.

Adding to 552043221 its reverse (122340255), we get a palindrome (674383476).

The spelling of 552043221 in words is "five hundred fifty-two million, forty-three thousand, two hundred twenty-one".