552205021 has 8 divisors (see below), whose sum is σ = 564600960. Its totient is φ = 539836128.

The previous prime is 552204977. The next prime is 552205061. The reversal of 552205021 is 120502255.

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

It is a cyclic number.

It is not a de Polignac number, because 552205021 - 2¹⁵ = 552172253 is a prime.

It is a super-2 number, since 2×552205021² = 609860770435220882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 552204983 and 552205001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552205061) 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, 37770 + ... + 50308.

It is an arithmetic number, because the mean of its divisors is an integer number (70575120).

Almost surely, 2^552205021 is an apocalyptic number.

It is an amenable number.

552205021 is a deficient number, since it is larger than the sum of its proper divisors (12395939).

552205021 is a wasteful number, since it uses less digits than its factorization.

552205021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13523.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 552205021 is about 23499.0429805131. The cubic root of 552205021 is about 820.4147322039.

Adding to 552205021 its reverse (120502255), we get a palindrome (672707276).

The spelling of 552205021 in words is "five hundred fifty-two million, two hundred five thousand, twenty-one".