552232421 has 8 divisors (see below), whose sum is σ = 594908664. Its totient is φ = 509584320.

The previous prime is 552232393. The next prime is 552232423. The reversal of 552232421 is 124232255.

552232421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21436900 + 530795521 = 4630^2 + 23039^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552232421 is a prime.

It is a super-3 number, since 3×552232421³ (a number of 27 digits) contains 333 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 (552232423) 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, 52331 + ... + 61991.

It is an arithmetic number, because the mean of its divisors is an integer number (74363583).

Almost surely, 2^552232421 is an apocalyptic number.

It is an amenable number.

552232421 is a deficient number, since it is larger than the sum of its proper divisors (42676243).

552232421 is a wasteful number, since it uses less digits than its factorization.

552232421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14071.

The product of its digits is 4800, while the sum is 26.

The square root of 552232421 is about 23499.6259757469. The cubic root of 552232421 is about 820.4283014346.

Adding to 552232421 its reverse (124232255), we get a palindrome (676464676).

The spelling of 552232421 in words is "five hundred fifty-two million, two hundred thirty-two thousand, four hundred twenty-one".