52005178708 has 48 divisors (see below), whose sum is σ = 106279810560. Its totient is φ = 21802127616.

The previous prime is 52005178691. The next prime is 52005178769. The reversal of 52005178708 is 80787150025.

It is a super-2 number, since 2×52005178708² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2739666 + ... + 2758582.

It is an arithmetic number, because the mean of its divisors is an integer number (2214162720).

Almost surely, 2^52005178708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52005178708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53139905280).

52005178708 is an abundant number, since it is smaller than the sum of its proper divisors (54274631852).

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

52005178708 is a wasteful number, since it uses less digits than its factorization.

52005178708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21064 (or 21062 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 43.

The spelling of 52005178708 in words is "fifty-two billion, five million, one hundred seventy-eight thousand, seven hundred eight".