52250400000 has 864 divisors, whose sum is σ = 201193372800. Its totient is φ = 13363200000.

The previous prime is 52250399977. The next prime is 52250400023. The reversal of 52250400000 is 405225.

It is an interprime number because it is at equal distance from previous prime (52250399977) and next prime (52250400023).

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 885599971 + ... + 885600029.

It is an arithmetic number, because the mean of its divisors is an integer number (232862700).

Almost surely, 2^52250400000 is an apocalyptic number.

52250400000 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 52250400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100596686400).

52250400000 is an abundant number, since it is smaller than the sum of its proper divisors (148942972800).

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

52250400000 is an frugal number, since it uses more digits than its factorization.

52250400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

Adding to 52250400000 its reverse (405225), we get a palindrome (52250805225).

The spelling of 52250400000 in words is "fifty-two billion, two hundred fifty million, four hundred thousand".