52516657836 has 36 divisors (see below), whose sum is σ = 133629596464. Its totient is φ = 17389620000.

The previous prime is 52516657829. The next prime is 52516657849. The reversal of 52516657836 is 63875661525.

It is a happy number.

52516657836 is a `hidden beast` number, since 5 + 2 + 5 + 1 + 66 + 578 + 3 + 6 = 666.

52516657836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4825015 + ... + 4835886.

Almost surely, 2^52516657836 is an apocalyptic number.

It is an amenable number.

52516657836 is an abundant number, since it is smaller than the sum of its proper divisors (81112938628).

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

52516657836 is a wasteful number, since it uses less digits than its factorization.

52516657836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661062 (or 9661057 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 52516657836 in words is "fifty-two billion, five hundred sixteen million, six hundred fifty-seven thousand, eight hundred thirty-six".