52216055136 has 240 divisors, whose sum is σ = 175731250464. Its totient is φ = 14899562496.

The previous prime is 52216055071. The next prime is 52216055149. The reversal of 52216055136 is 63155061225.

52216055136 is a `hidden beast` number, since 52 + 21 + 6 + 0 + 551 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 52216055136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19830076 + ... + 19832708.

Almost surely, 2^52216055136 is an apocalyptic number.

52216055136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52216055136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87865625232).

52216055136 is an abundant number, since it is smaller than the sum of its proper divisors (123515195328).

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

52216055136 is a wasteful number, since it uses less digits than its factorization.

52216055136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755 (or 3738 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 52216055136 in words is "fifty-two billion, two hundred sixteen million, fifty-five thousand, one hundred thirty-six".