52051253250000 has 140 divisors (see below), whose sum is σ = 168080022923168. Its totient is φ = 13880334000000.

The previous prime is 52051253249987. The next prime is 52051253250037. The reversal of 52051253250000 is 5235215025.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 52051253250000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 33950836 + ... + 35450835.

Almost surely, 2^{52051253250000} is an apocalyptic number.

52051253250000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52051253250000 is an abundant number, since it is smaller than the sum of its proper divisors (116028769673168).

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

52051253250000 is an frugal number, since it uses more digits than its factorization.

52051253250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69401712 (or 69401681 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 52051253250000 its reverse (5235215025), we get a palindrome (52056488465025).

The spelling of 52051253250000 in words is "fifty-two trillion, fifty-one billion, two hundred fifty-three million, two hundred fifty thousand".