52000000000001 has 4 divisors (see below), whose sum is σ = 52000017969732. Its totient is φ = 51999982030272.

The previous prime is 51999999999989. The next prime is 52000000000079. The reversal of 52000000000001 is 10000000000025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44025560550976 + 7974439449025 = 6635176^2 + 2823905^2 .

It is a cyclic number.

It is not a de Polignac number, because 52000000000001 - 2²² = 51999995805697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52000000005001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3547316 + ... + 10797381.

It is an arithmetic number, because the mean of its divisors is an integer number (13000004492433).

Almost surely, 2^{52000000000001} is an apocalyptic number.

It is an amenable number.

52000000000001 is a deficient number, since it is larger than the sum of its proper divisors (17969731).

52000000000001 is a wasteful number, since it uses less digits than its factorization.

52000000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17969730.

The product of its (nonzero) digits is 10, while the sum is 8.

Adding to 52000000000001 its reverse (10000000000025), we get a palindrome (62000000000026).

The spelling of 52000000000001 in words is "fifty-two trillion, one", and thus it is an aban number and an uban number.