552060220621 has 16 divisors (see below), whose sum is σ = 681080400000. Its totient is φ = 435752399808.

The previous prime is 552060220609. The next prime is 552060220651. The reversal of 552060220621 is 126022060255.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 552060220621 - 2⁷ = 552060220493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552060220651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7201246 + ... + 7277503.

It is an arithmetic number, because the mean of its divisors is an integer number (42567525000).

Almost surely, 2^552060220621 is an apocalyptic number.

It is an amenable number.

552060220621 is a deficient number, since it is larger than the sum of its proper divisors (129020179379).

552060220621 is a wasteful number, since it uses less digits than its factorization.

552060220621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14479188.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 552060220621 its reverse (126022060255), we get a palindrome (678082280876).

The spelling of 552060220621 in words is "five hundred fifty-two billion, sixty million, two hundred twenty thousand, six hundred twenty-one".