52506619648 has 54 divisors (see below), whose sum is σ = 119802858504. Its totient is φ = 22498679808.

The previous prime is 52506619609. The next prime is 52506619651. The reversal of 52506619648 is 84691660525.

It is a junction number, because it is equal to n+sod(n) for n = 52506619595 and 52506619604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9697390 + ... + 9702802.

Almost surely, 2^52506619648 is an apocalyptic number.

It is an amenable number.

52506619648 is an abundant number, since it is smaller than the sum of its proper divisors (67296238856).

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

52506619648 is an frugal number, since it uses more digits than its factorization.

52506619648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10849 (or 5422 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 52506619648 in words is "fifty-two billion, five hundred six million, six hundred nineteen thousand, six hundred forty-eight".