52071505556 has 48 divisors (see below), whose sum is σ = 107549000832. Its totient is φ = 21593174400.

The previous prime is 52071505537. The next prime is 52071505573. The reversal of 52071505556 is 65550517025.

52071505556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52071505556² (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, 48671 + ... + 326361.

It is an arithmetic number, because the mean of its divisors is an integer number (2240604184).

Almost surely, 2^52071505556 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 52071505556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53774500416).

52071505556 is an abundant number, since it is smaller than the sum of its proper divisors (55477495276).

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

52071505556 is a wasteful number, since it uses less digits than its factorization.

52071505556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277920 (or 277918 counting only the distinct ones).

The product of its (nonzero) digits is 262500, while the sum is 41.

The spelling of 52071505556 in words is "fifty-two billion, seventy-one million, five hundred five thousand, five hundred fifty-six".