52985477916 has 384 divisors, whose sum is σ = 170849280000. Its totient is φ = 14153517504.

The previous prime is 52985477911. The next prime is 52985477939. The reversal of 52985477916 is 61977458925.

52985477916 is a `hidden beast` number, since 5 + 2 + 9 + 8 + 547 + 79 + 16 = 666.

52985477916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52985477911) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 58417935 + ... + 58418841.

It is an arithmetic number, because the mean of its divisors is an integer number (444920000).

Almost surely, 2^52985477916 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 52985477916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85424640000).

52985477916 is an abundant number, since it is smaller than the sum of its proper divisors (117863802084).

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

52985477916 is a wasteful number, since it uses less digits than its factorization.

52985477916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1021 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 63.

The spelling of 52985477916 in words is "fifty-two billion, nine hundred eighty-five million, four hundred seventy-seven thousand, nine hundred sixteen".