52720645508 has 24 divisors (see below), whose sum is σ = 92384772480. Its totient is φ = 26325025920.

The previous prime is 52720645501. The next prime is 52720645519. The reversal of 52720645508 is 80554602725.

It is not an unprimeable number, because it can be changed into a prime (52720645501) 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, 17121113 + ... + 17124191.

It is an arithmetic number, because the mean of its divisors is an integer number (3849365520).

Almost surely, 2^52720645508 is an apocalyptic number.

It is an amenable number.

52720645508 is a deficient number, since it is larger than the sum of its proper divisors (39664126972).

52720645508 is a wasteful number, since it uses less digits than its factorization.

52720645508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427 (or 7425 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 52720645508 in words is "fifty-two billion, seven hundred twenty million, six hundred forty-five thousand, five hundred eight".