52450747986 has 128 divisors (see below), whose sum is σ = 130186248192. Its totient is φ = 13718304000.

The previous prime is 52450747963. The next prime is 52450748027. The reversal of 52450747986 is 68974705425.

It is a happy number.

52450747986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48075301 + ... + 48076391.

It is an arithmetic number, because the mean of its divisors is an integer number (1017080064).

Almost surely, 2^52450747986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52450747986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65093124096).

52450747986 is an abundant number, since it is smaller than the sum of its proper divisors (77735500206).

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

52450747986 is a wasteful number, since it uses less digits than its factorization.

52450747986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 52450747986 in words is "fifty-two billion, four hundred fifty million, seven hundred forty-seven thousand, nine hundred eighty-six".