5543973828225 has 54 divisors (see below), whose sum is σ = 11551076921670. Its totient is φ = 2534388030720.

The previous prime is 5543973828187. The next prime is 5543973828229. The reversal of 5543973828225 is 5228283793455.

It is a happy number.

5543973828225 is a `hidden beast` number, since 5 + 543 + 9 + 7 + 3 + 8 + 2 + 82 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1650281944689 + 3893691883536 = 1284633^2 + 1973244^2 .

It is not a de Polignac number, because 5543973828225 - 2⁹ = 5543973827713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (5543973828229) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 251416360 + ... + 251438409.

Almost surely, 2^{5543973828225} is an apocalyptic number.

It is an amenable number.

5543973828225 is an abundant number, since it is smaller than the sum of its proper divisors (6007103093445).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5543973828225 is a wasteful number, since it uses less digits than its factorization.

5543973828225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502854799 (or 502854784 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 63.

The spelling of 5543973828225 in words is "five trillion, five hundred forty-three billion, nine hundred seventy-three million, eight hundred twenty-eight thousand, two hundred twenty-five".