52263384818 has 54 divisors (see below), whose sum is σ = 85923727029. Its totient is φ = 23836704768.

The previous prime is 52263384799. The next prime is 52263384881. The reversal of 52263384818 is 81848336225.

It can be written as a sum of positive squares in 14 ways, for example, as 50941844209 + 1321540609 = 225703^2 + 36353^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=161653.

It is a super-2 number, since 2×52263384818² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 203359346 + ... + 203359602.

Almost surely, 2^52263384818 is an apocalyptic number.

52263384818 is a deficient number, since it is larger than the sum of its proper divisors (33660342211).

52263384818 is an equidigital number, since it uses as much as digits as its factorization.

52263384818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 313 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

Multiplying 52263384818 by its sum of digits (50), we get a square (2613169240900 = 1616530²).

The spelling of 52263384818 in words is "fifty-two billion, two hundred sixty-three million, three hundred eighty-four thousand, eight hundred eighteen".