52643665015 has 8 divisors (see below), whose sum is σ = 63212928480. Its totient is φ = 42087911712.

The previous prime is 52643665007. The next prime is 52643665027. The reversal of 52643665015 is 51056634625.

52643665015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52643665015 - 2³ = 52643665007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3368964 + ... + 3384553.

It is an arithmetic number, because the mean of its divisors is an integer number (7901616060).

Almost surely, 2^52643665015 is an apocalyptic number.

52643665015 is a deficient number, since it is larger than the sum of its proper divisors (10569263465).

52643665015 is a wasteful number, since it uses less digits than its factorization.

52643665015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6755081.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 52643665015 in words is "fifty-two billion, six hundred forty-three million, six hundred sixty-five thousand, fifteen".