52809648 has 40 divisors (see below), whose sum is σ = 137515008. Its totient is φ = 17462592.

The previous prime is 52809643. The next prime is 52809649. The reversal of 52809648 is 84690825.

It is not an unprimeable number, because it can be changed into a prime (52809641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765 + ... + 10427.

Almost surely, 2^52809648 is an apocalyptic number.

It is an amenable number.

52809648 is an abundant number, since it is smaller than the sum of its proper divisors (84705360).

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

52809648 is a wasteful number, since it uses less digits than its factorization.

52809648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8801 (or 8795 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 52809648 is about 7267.0247006598. The cubic root of 52809648 is about 375.1783400616.

The spelling of 52809648 in words is "fifty-two million, eight hundred nine thousand, six hundred forty-eight".