52194067200 has 972 divisors, whose sum is σ = 213259272408. Its totient is φ = 12541132800.

The previous prime is 52194067181. The next prime is 52194067207. The reversal of 52194067200 is 276049125.

It is a tau number, because it is divible by the number of its divisors (972).

It is a super-3 number, since 3×52194067200³ (a number of 33 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (52194067207) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 461894344 + ... + 461894456.

Almost surely, 2^52194067200 is an apocalyptic number.

52194067200 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 52194067200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106629636204).

52194067200 is an abundant number, since it is smaller than the sum of its proper divisors (161065205208).

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

52194067200 is an equidigital number, since it uses as much as digits as its factorization.

52194067200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 52194067200 in words is "fifty-two billion, one hundred ninety-four million, sixty-seven thousand, two hundred".