52637444352 has 720 divisors, whose sum is σ = 181634745600. Its totient is φ = 15049359360.

The previous prime is 52637444311. The next prime is 52637444357. The reversal of 52637444352 is 25344473625.

52637444352 is a `hidden beast` number, since 5 + 2 + 637 + 4 + 4 + 4 + 3 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 52637444298 and 52637444307.

It is not an unprimeable number, because it can be changed into a prime (52637444357) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 194233977 + ... + 194234247.

It is an arithmetic number, because the mean of its divisors is an integer number (252270480).

Almost surely, 2^52637444352 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 52637444352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90817372800).

52637444352 is an abundant number, since it is smaller than the sum of its proper divisors (128997301248).

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

52637444352 is a wasteful number, since it uses less digits than its factorization.

52637444352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 341 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 45.

The spelling of 52637444352 in words is "fifty-two billion, six hundred thirty-seven million, four hundred forty-four thousand, three hundred fifty-two".