52320211646 has 4 divisors (see below), whose sum is σ = 78480317472. Its totient is φ = 26160105822.

The previous prime is 52320211639. The next prime is 52320211649. The reversal of 52320211646 is 64611202325.

52320211646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52320211649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13080052910 + ... + 13080052913.

It is an arithmetic number, because the mean of its divisors is an integer number (19620079368).

Almost surely, 2^52320211646 is an apocalyptic number.

52320211646 is a deficient number, since it is larger than the sum of its proper divisors (26160105826).

52320211646 is a wasteful number, since it uses less digits than its factorization.

52320211646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26160105825.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 52320211646 in words is "fifty-two billion, three hundred twenty million, two hundred eleven thousand, six hundred forty-six".