54221153204 has 12 divisors (see below), whose sum is σ = 96442543428. Its totient is φ = 26666140800.

The previous prime is 54221153197. The next prime is 54221153219. The reversal of 54221153204 is 40235112245.

It can be written as a sum of positive squares in 2 ways, for example, as 10464880804 + 43756272400 = 102298^2 + 209180^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111108677 + ... + 111109164.

It is an arithmetic number, because the mean of its divisors is an integer number (8036878619).

Almost surely, 2^54221153204 is an apocalyptic number.

It is an amenable number.

54221153204 is a deficient number, since it is larger than the sum of its proper divisors (42221390224).

54221153204 is a wasteful number, since it uses less digits than its factorization.

54221153204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222217906 (or 222217904 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 54221153204 its reverse (40235112245), we get a palindrome (94456265449).

The spelling of 54221153204 in words is "fifty-four billion, two hundred twenty-one million, one hundred fifty-three thousand, two hundred four".