52420776066 has 36 divisors (see below), whose sum is σ = 119870792262. Its totient is φ = 16553927232.

The previous prime is 52420776017. The next prime is 52420776073. The reversal of 52420776066 is 66067702425.

52420776066 is a `hidden beast` number, since 524 + 2 + 0 + 7 + 7 + 60 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40876348041 + 11544428025 = 202179^2 + 107445^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4027111 + ... + 4040106.

Almost surely, 2^52420776066 is an apocalyptic number.

52420776066 is an abundant number, since it is smaller than the sum of its proper divisors (67450016196).

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

52420776066 is a wasteful number, since it uses less digits than its factorization.

52420776066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067263 (or 8067241 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 52420776066 in words is "fifty-two billion, four hundred twenty million, seven hundred seventy-six thousand, sixty-six".