5255520212 has 6 divisors (see below), whose sum is σ = 9197160378. Its totient is φ = 2627760104.

The previous prime is 5255520211. The next prime is 5255520229. The reversal of 5255520212 is 2120255525.

It can be written as a sum of positive squares in only one way, i.e., 4783935556 + 471584656 = 69166^2 + 21716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255520211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656940023 + ... + 656940030.

It is an arithmetic number, because the mean of its divisors is an integer number (1532860063).

Almost surely, 2^5255520212 is an apocalyptic number.

It is an amenable number.

5255520212 is a deficient number, since it is larger than the sum of its proper divisors (3941640166).

5255520212 is a wasteful number, since it uses less digits than its factorization.

5255520212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313880057 (or 1313880055 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 5255520212 is about 72494.9668045996. The cubic root of 5255520212 is about 1738.6222647476.

Adding to 5255520212 its reverse (2120255525), we get a palindrome (7375775737).

The spelling of 5255520212 in words is "five billion, two hundred fifty-five million, five hundred twenty thousand, two hundred twelve".