52152688081 has 4 divisors (see below), whose sum is σ = 56164433332. Its totient is φ = 48140942832.

The previous prime is 52152688019. The next prime is 52152688121. The reversal of 52152688081 is 18088625125.

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 33351890625 + 18800797456 = 182625^2 + 137116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52152688081 is a prime.

It is a super-2 number, since 2×52152688081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52152688001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2005872606 + ... + 2005872631.

It is an arithmetic number, because the mean of its divisors is an integer number (14041108333).

Almost surely, 2^52152688081 is an apocalyptic number.

It is an amenable number.

52152688081 is a deficient number, since it is larger than the sum of its proper divisors (4011745251).

52152688081 is a wasteful number, since it uses less digits than its factorization.

52152688081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011745250.

The product of its (nonzero) digits is 307200, while the sum is 46.

The spelling of 52152688081 in words is "fifty-two billion, one hundred fifty-two million, six hundred eighty-eight thousand, eighty-one".