52023569778 has 24 divisors (see below), whose sum is σ = 112730756268. Its totient is φ = 17339186592.

The previous prime is 52023569777. The next prime is 52023569783. The reversal of 52023569778 is 87796532025.

52023569778 is a `hidden beast` number, since 5 + 2 + 0 + 2 + 3 + 569 + 7 + 78 = 666.

52023569778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44936792289 + 7086777489 = 211983^2 + 84183^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52023569777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2425 + ... + 322572.

Almost surely, 2^52023569778 is an apocalyptic number.

52023569778 is an abundant number, since it is smaller than the sum of its proper divisors (60707186490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52023569778 is a wasteful number, since it uses less digits than its factorization.

52023569778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333898 (or 333895 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 52023569778 in words is "fifty-two billion, twenty-three million, five hundred sixty-nine thousand, seven hundred seventy-eight".