52000000000000 has 390 divisors, whose sum is σ = 139995727424378. Its totient is φ = 19200000000000.

The previous prime is 51999999999989. The next prime is 52000000000079. The reversal of 52000000000000 is 25.

It can be written as a sum of positive squares in 13 ways, for example, as 51107171549184 + 892828450816 = 7148928^2 + 944896^2 .

It is a sliding number, since 52000000000000 = 2000000000000 + 50000000000000 and 1/2000000000000 + 1/50000000000000 = 0.00000000000052000000000000.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 51999999999893 and 51999999999902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 25 ways as a sum of consecutive naturals, for example, 3999999999994 + ... + 4000000000006.

Almost surely, 2^{52000000000000} is an apocalyptic number.

52000000000000 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 52000000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69997863712189).

52000000000000 is an abundant number, since it is smaller than the sum of its proper divisors (87995727424378).

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

52000000000000 is an frugal number, since it uses more digits than its factorization.

52000000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 20 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 7.

Adding to 52000000000000 its reverse (25), we get a palindrome (52000000000025).

It can be divided in two parts, 5 and 2000000000000, that multiplied together give a 13-th power (10000000000000 = 10¹³).

The spelling of 52000000000000 in words is "fifty-two trillion", and thus it is an aban number, an eban number, and an uban number.