52378235459 has 6 divisors (see below), whose sum is σ = 57572771340. Its totient is φ = 47616577580.

The previous prime is 52378235383. The next prime is 52378235527. The reversal of 52378235459 is 95453287325.

52378235459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-52378235459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52378235459.

It is not an unprimeable number, because it can be changed into a prime (52378234459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216438869 + ... + 216439110.

It is an arithmetic number, because the mean of its divisors is an integer number (9595461890).

Almost surely, 2^52378235459 is an apocalyptic number.

52378235459 is a deficient number, since it is larger than the sum of its proper divisors (5194535881).

52378235459 is a wasteful number, since it uses less digits than its factorization.

52378235459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432878001 (or 432877990 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 53.

The spelling of 52378235459 in words is "fifty-two billion, three hundred seventy-eight million, two hundred thirty-five thousand, four hundred fifty-nine".