52021225204 has 24 divisors (see below), whose sum is σ = 98581676648. Its totient is φ = 23877141120.

The previous prime is 52021225187. The next prime is 52021225247. The reversal of 52021225204 is 40252212025.

It can be written as a sum of positive squares in 4 ways, for example, as 5106531600 + 46914693604 = 71460^2 + 216598^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2754147 + ... + 2772970.

Almost surely, 2^52021225204 is an apocalyptic number.

It is an amenable number.

52021225204 is a deficient number, since it is larger than the sum of its proper divisors (46560451444).

52021225204 is a wasteful number, since it uses less digits than its factorization.

52021225204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527315 (or 5527313 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 52021225204 its reverse (40252212025), we get a palindrome (92273437229).

The spelling of 52021225204 in words is "fifty-two billion, twenty-one million, two hundred twenty-five thousand, two hundred four".