52525007720000 has 70 divisors (see below), whose sum is σ = 130244948617278. Its totient is φ = 21010003072000.

The previous prime is 52525007719993. The next prime is 52525007720023. The reversal of 52525007720000 is 2770052525.

It can be written as a sum of positive squares in 5 ways, for example, as 37482214441984 + 15042793278016 = 6122272^2 + 3878504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 656522597 + ... + 656602596.

Almost surely, 2^{52525007720000} is an apocalyptic number.

52525007720000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52525007720000 is an abundant number, since it is smaller than the sum of its proper divisors (77719940897278).

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

52525007720000 is an equidigital number, since it uses as much as digits as its factorization.

52525007720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313125225 (or 1313125200 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

Adding to 52525007720000 its reverse (2770052525), we get a palindrome (52527777772525).

The spelling of 52525007720000 in words is "fifty-two trillion, five hundred twenty-five billion, seven million, seven hundred twenty thousand".