52389720860 has 24 divisors (see below), whose sum is σ = 110163016656. Its totient is φ = 20928344960.

The previous prime is 52389720839. The next prime is 52389720959. The reversal of 52389720860 is 6802798325.

52389720860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52389720799 and 52389720808.

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, 1705862 + ... + 1736301.

It is an arithmetic number, because the mean of its divisors is an integer number (4590125694).

Almost surely, 2^52389720860 is an apocalyptic number.

It is an amenable number.

52389720860 is an abundant number, since it is smaller than the sum of its proper divisors (57773295796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52389720860 is a wasteful number, since it uses less digits than its factorization.

52389720860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442933 (or 3442931 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 52389720860 in words is "fifty-two billion, three hundred eighty-nine million, seven hundred twenty thousand, eight hundred sixty".