52522400000000 has 864 divisors, whose sum is σ = 153178515322560. Its totient is φ = 17633280000000.

The previous prime is 52522399999931. The next prime is 52522400000069. The reversal of 52522400000000 is 422525.

It is an interprime number because it is at equal distance from previous prime (52522399999931) and next prime (52522400000069).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 464799999944 + ... + 464800000056.

It is an arithmetic number, because the mean of its divisors is an integer number (177289948290).

Almost surely, 2^{52522400000000} is an apocalyptic number.

52522400000000 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 52522400000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76589257661280).

52522400000000 is an abundant number, since it is smaller than the sum of its proper divisors (100656115322560).

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

52522400000000 is an frugal number, since it uses more digits than its factorization.

52522400000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

Adding to 52522400000000 its reverse (422525), we get a palindrome (52522400422525).

The spelling of 52522400000000 in words is "fifty-two trillion, five hundred twenty-two billion, four hundred million", and thus it is an aban number.