543550025 has 6 divisors (see below), whose sum is σ = 674002062. Its totient is φ = 434840000.

The previous prime is 543550013. The next prime is 543550031. The reversal of 543550025 is 520055345.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 35904064 + 507645961 = 5992^2 + 22531^2 .

It is not a de Polignac number, because 543550025 - 2⁴ = 543550009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 543550025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10870976 + ... + 10871025.

It is an arithmetic number, because the mean of its divisors is an integer number (112333677).

Almost surely, 2^543550025 is an apocalyptic number.

It is an amenable number.

543550025 is a deficient number, since it is larger than the sum of its proper divisors (130452037).

543550025 is a wasteful number, since it uses less digits than its factorization.

543550025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21742011 (or 21742006 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 543550025 is about 23314.1593243248. The cubic root of 543550025 is about 816.1058795273.

The spelling of 543550025 in words is "five hundred forty-three million, five hundred fifty thousand, twenty-five".