5253553636 has 6 divisors (see below), whose sum is σ = 9193718870. Its totient is φ = 2626776816.

The previous prime is 5253553631. The next prime is 5253553693. The reversal of 5253553636 is 6363553525.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4733440000 + 520113636 = 68800^2 + 22806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5253553592 and 5253553601.

It is not an unprimeable number, because it can be changed into a prime (5253553631) 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, 656694201 + ... + 656694208.

Almost surely, 2^5253553636 is an apocalyptic number.

It is an amenable number.

5253553636 is a deficient number, since it is larger than the sum of its proper divisors (3940165234).

5253553636 is a wasteful number, since it uses less digits than its factorization.

5253553636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313388413 (or 1313388411 counting only the distinct ones).

The product of its digits is 1215000, while the sum is 43.

The square root of 5253553636 is about 72481.4020007891. The cubic root of 5253553636 is about 1738.4053779161.

The spelling of 5253553636 in words is "five billion, two hundred fifty-three million, five hundred fifty-three thousand, six hundred thirty-six".