552432421 has 8 divisors (see below), whose sum is σ = 556092000. Its totient is φ = 548784048.

The previous prime is 552432379. The next prime is 552432473. The reversal of 552432421 is 124234255.

552432421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-552432421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 552432421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552432821) 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, 110835 + ... + 115711.

It is an arithmetic number, because the mean of its divisors is an integer number (69511500).

Almost surely, 2^552432421 is an apocalyptic number.

It is an amenable number.

552432421 is a deficient number, since it is larger than the sum of its proper divisors (3659579).

552432421 is a wasteful number, since it uses less digits than its factorization.

552432421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5603.

The product of its digits is 9600, while the sum is 28.

The square root of 552432421 is about 23503.8809774046. The cubic root of 552432421 is about 820.5273333212.

Adding to 552432421 its reverse (124234255), we get a palindrome (676666676).

The spelling of 552432421 in words is "five hundred fifty-two million, four hundred thirty-two thousand, four hundred twenty-one".