52739169648 has 80 divisors (see below), whose sum is σ = 155090716416. Its totient is φ = 15286712320.

The previous prime is 52739169643. The next prime is 52739169677. The reversal of 52739169648 is 84696193725.

It is a junction number, because it is equal to n+sod(n) for n = 52739169591 and 52739169600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52739169641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2159265 + ... + 2183552.

Almost surely, 2^52739169648 is an apocalyptic number.

It is an amenable number.

52739169648 is an abundant number, since it is smaller than the sum of its proper divisors (102351546768).

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

52739169648 is a wasteful number, since it uses less digits than its factorization.

52739169648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342862 (or 4342856 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 52739169648 in words is "fifty-two billion, seven hundred thirty-nine million, one hundred sixty-nine thousand, six hundred forty-eight".