52805000053 has 8 divisors (see below), whose sum is σ = 56896369208. Its totient is φ = 48717837504.

The previous prime is 52805000047. The next prime is 52805000057. The reversal of 52805000053 is 35000050825.

It can be written as a sum of positive squares in 4 ways, for example, as 2144893969 + 50660106084 = 46313^2 + 225078^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52805000053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52804999985 and 52805000030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52805000057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025550 + ... + 1075807.

It is an arithmetic number, because the mean of its divisors is an integer number (7112046151).

Almost surely, 2^52805000053 is an apocalyptic number.

It is an amenable number.

52805000053 is a deficient number, since it is larger than the sum of its proper divisors (4091369155).

52805000053 is a wasteful number, since it uses less digits than its factorization.

52805000053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103303.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 52805000053 its reverse (35000050825), we get a palindrome (87805050878).

The spelling of 52805000053 in words is "fifty-two billion, eight hundred five million, fifty-three", and thus it is an aban number.