552405400321 has 8 divisors (see below), whose sum is σ = 593137862784. Its totient is φ = 512588274240.

The previous prime is 552405400297. The next prime is 552405400373. The reversal of 552405400321 is 123004504255.

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 552405400321 - 2⁵ = 552405400289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552405409321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228832845 + ... + 228835258.

It is an arithmetic number, because the mean of its divisors is an integer number (74142232848).

Almost surely, 2^552405400321 is an apocalyptic number.

It is an amenable number.

552405400321 is a deficient number, since it is larger than the sum of its proper divisors (40732462463).

552405400321 is a wasteful number, since it uses less digits than its factorization.

552405400321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457668191.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 552405400321 its reverse (123004504255), we get a palindrome (675409904576).

The spelling of 552405400321 in words is "five hundred fifty-two billion, four hundred five million, four hundred thousand, three hundred twenty-one".