4553232331221 has 48 divisors (see below), whose sum is σ = 7685374953984. Its totient is φ = 2543501855232.

The previous prime is 4553232331213. The next prime is 4553232331259. The reversal of 4553232331221 is 1221332323554.

4553232331221 is a `hidden beast` number, since 4 + 55 + 32 + 323 + 31 + 221 = 666.

It is not a de Polignac number, because 4553232331221 - 2³ = 4553232331213 is a prime.

It is a super-3 number, since 3×4553232331221³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4553232341221) 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 47 ways as a sum of consecutive naturals, for example, 1624365 + ... + 3427101.

It is an arithmetic number, because the mean of its divisors is an integer number (160111978208).

Almost surely, 2^{4553232331221} is an apocalyptic number.

It is an amenable number.

4553232331221 is a deficient number, since it is larger than the sum of its proper divisors (3132142622763).

4553232331221 is a wasteful number, since it uses less digits than its factorization.

4553232331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803650 (or 1803647 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 4553232331221 its reverse (1221332323554), we get a palindrome (5774564654775).

The spelling of 4553232331221 in words is "four trillion, five hundred fifty-three billion, two hundred thirty-two million, three hundred thirty-one thousand, two hundred twenty-one".