553302424221 has 16 divisors (see below), whose sum is σ = 741710711808. Its totient is φ = 366881792000.

The previous prime is 553302424183. The next prime is 553302424247. The reversal of 553302424221 is 122424203355.

553302424221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 553302424221 - 2⁷ = 553302424093 is a prime.

It is a super-2 number, since 2×553302424221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553302424271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3928621 + ... + 4067021.

It is an arithmetic number, because the mean of its divisors is an integer number (46356919488).

Almost surely, 2^553302424221 is an apocalyptic number.

It is an amenable number.

553302424221 is a deficient number, since it is larger than the sum of its proper divisors (188408287587).

553302424221 is a wasteful number, since it uses less digits than its factorization.

553302424221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145572.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 553302424221 its reverse (122424203355), we get a palindrome (675726627576).

The spelling of 553302424221 in words is "five hundred fifty-three billion, three hundred two million, four hundred twenty-four thousand, two hundred twenty-one".