52358486436 has 144 divisors (see below), whose sum is σ = 142201148544. Its totient is φ = 16201202688.

The previous prime is 52358486377. The next prime is 52358486461. The reversal of 52358486436 is 63468485325.

52358486436 is a `hidden beast` number, since 5 + 23 + 584 + 8 + 6 + 4 + 36 = 666.

It is a super-2 number, since 2×52358486436² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13263415 + ... + 13267361.

It is an arithmetic number, because the mean of its divisors is an integer number (987507976).

Almost surely, 2^52358486436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52358486436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71100574272).

52358486436 is an abundant number, since it is smaller than the sum of its proper divisors (89842662108).

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

52358486436 is a wasteful number, since it uses less digits than its factorization.

52358486436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450 (or 4445 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 54.

The spelling of 52358486436 in words is "fifty-two billion, three hundred fifty-eight million, four hundred eighty-six thousand, four hundred thirty-six".