52601640065 has 32 divisors (see below), whose sum is σ = 69862974720. Its totient is φ = 37774791936.

The previous prime is 52601640061. The next prime is 52601640097. The reversal of 52601640065 is 56004610625.

It is a cyclic number.

It is not a de Polignac number, because 52601640065 - 2² = 52601640061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52601640061) 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 31 ways as a sum of consecutive naturals, for example, 598964 + ... + 681146.

It is an arithmetic number, because the mean of its divisors is an integer number (2183217960).

Almost surely, 2^52601640065 is an apocalyptic number.

It is an amenable number.

52601640065 is a deficient number, since it is larger than the sum of its proper divisors (17261334655).

52601640065 is a wasteful number, since it uses less digits than its factorization.

52601640065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82473.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 52601640065 in words is "fifty-two billion, six hundred one million, six hundred forty thousand, sixty-five".