52687394740 has 12 divisors (see below), whose sum is σ = 110643528996. Its totient is φ = 21074957888.

The previous prime is 52687394731. The next prime is 52687394759. The reversal of 52687394740 is 4749378625.

52687394740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 30648804624 + 22038590116 = 175068^2 + 148454^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317184849 + ... + 1317184888.

It is an arithmetic number, because the mean of its divisors is an integer number (9220294083).

Almost surely, 2^52687394740 is an apocalyptic number.

It is an amenable number.

52687394740 is an abundant number, since it is smaller than the sum of its proper divisors (57956134256).

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

52687394740 is a wasteful number, since it uses less digits than its factorization.

52687394740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634369746 (or 2634369744 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 52687394740 in words is "fifty-two billion, six hundred eighty-seven million, three hundred ninety-four thousand, seven hundred forty".