52213552000 has 128 divisors (see below), whose sum is σ = 130599967680. Its totient is φ = 20759296000.

The previous prime is 52213551941. The next prime is 52213552031. The reversal of 52213552000 is 25531225.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (25).

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 15 ways as a sum of consecutive naturals, for example, 2662230 + ... + 2681770.

Almost surely, 2^52213552000 is an apocalyptic number.

52213552000 is a gapful number since it is divisible by the number (50) 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 52213552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65299983840).

52213552000 is an abundant number, since it is smaller than the sum of its proper divisors (78386415680).

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

52213552000 is a wasteful number, since it uses less digits than its factorization.

52213552000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19737 (or 19715 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 52213552000 in words is "fifty-two billion, two hundred thirteen million, five hundred fifty-two thousand".