52706067520 has 28 divisors (see below), whose sum is σ = 125506324044. Its totient is φ = 21082426880.

The previous prime is 52706067461. The next prime is 52706067523. The reversal of 52706067520 is 2576060725.

It can be written as a sum of positive squares in 2 ways, for example, as 29093442624 + 23612624896 = 170568^2 + 153664^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (52706067523) 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, 82352911 + ... + 82353550.

Almost surely, 2^52706067520 is an apocalyptic number.

It is an amenable number.

52706067520 is an abundant number, since it is smaller than the sum of its proper divisors (72800256524).

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

52706067520 is a wasteful number, since it uses less digits than its factorization.

52706067520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164706478 (or 164706468 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 52706067520 in words is "fifty-two billion, seven hundred six million, sixty-seven thousand, five hundred twenty".