52748236720 has 20 divisors (see below), whose sum is σ = 122639650560. Its totient is φ = 21099294656.

The previous prime is 52748236661. The next prime is 52748236729. The reversal of 52748236720 is 2763284725.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (52748236729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329676400 + ... + 329676559.

It is an arithmetic number, because the mean of its divisors is an integer number (6131982528).

Almost surely, 2^52748236720 is an apocalyptic number.

It is an amenable number.

52748236720 is an abundant number, since it is smaller than the sum of its proper divisors (69891413840).

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

52748236720 is a wasteful number, since it uses less digits than its factorization.

52748236720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659352972 (or 659352966 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 52748236720 in words is "fifty-two billion, seven hundred forty-eight million, two hundred thirty-six thousand, seven hundred twenty".