552220030454421 has 32 divisors (see below), whose sum is σ = 842960104243200. Its totient is φ = 314998777086336.

The previous prime is 552220030454347. The next prime is 552220030454429. The reversal of 552220030454421 is 124454030022255.

It is not a de Polignac number, because 552220030454421 - 2¹¹ = 552220030452373 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 552220030454421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552220030454429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58794780 + ... + 67537146.

It is an arithmetic number, because the mean of its divisors is an integer number (26342503257600).

Almost surely, 2^{552220030454421} is an apocalyptic number.

It is an amenable number.

552220030454421 is a deficient number, since it is larger than the sum of its proper divisors (290740073788779).

552220030454421 is a wasteful number, since it uses less digits than its factorization.

552220030454421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747673.

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 552220030454421 its reverse (124454030022255), we get a palindrome (676674060476676).

The spelling of 552220030454421 in words is "five hundred fifty-two trillion, two hundred twenty billion, thirty million, four hundred fifty-four thousand, four hundred twenty-one".