53263548818 has 8 divisors (see below), whose sum is σ = 80431533900. Its totient is φ = 26453037520.

The previous prime is 53263548817. The next prime is 53263548829. The reversal of 53263548818 is 81884536235.

It can be written as a sum of positive squares in 2 ways, for example, as 47889632569 + 5373916249 = 218837^2 + 73307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 53263548818.

It is not an unprimeable number, because it can be changed into a prime (53263548817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89368073 + ... + 89368668.

Almost surely, 2^53263548818 is an apocalyptic number.

53263548818 is a deficient number, since it is larger than the sum of its proper divisors (27167985082).

53263548818 is a wasteful number, since it uses less digits than its factorization.

53263548818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178736892.

The product of its digits is 5529600, while the sum is 53.

The spelling of 53263548818 in words is "fifty-three billion, two hundred sixty-three million, five hundred forty-eight thousand, eight hundred eighteen".