52209747648 has 84 divisors (see below), whose sum is σ = 154477281088. Its totient is φ = 16841848320.

The previous prime is 52209747593. The next prime is 52209747671. The reversal of 52209747648 is 84674790225.

52209747648 is a `hidden beast` number, since 522 + 0 + 9 + 7 + 4 + 76 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 52209747594 and 52209747603.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1444111 + ... + 1479822.

Almost surely, 2^52209747648 is an apocalyptic number.

It is an amenable number.

52209747648 is an abundant number, since it is smaller than the sum of its proper divisors (102267533440).

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

52209747648 is a wasteful number, since it uses less digits than its factorization.

52209747648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923982 (or 2923969 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 52209747648 in words is "fifty-two billion, two hundred nine million, seven hundred forty-seven thousand, six hundred forty-eight".