63320520552 has 32 divisors (see below), whose sum is σ = 159547776000. Its totient is φ = 20940643584.

The previous prime is 63320520539. The next prime is 63320520589. The reversal of 63320520552 is 25502502336.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10384177 + ... + 10390272.

It is an arithmetic number, because the mean of its divisors is an integer number (4985868000).

Almost surely, 2^63320520552 is an apocalyptic number.

It is an amenable number.

63320520552 is an abundant number, since it is smaller than the sum of its proper divisors (96227255448).

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

63320520552 is a wasteful number, since it uses less digits than its factorization.

63320520552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20774585 (or 20774581 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 63320520552 in words is "sixty-three billion, three hundred twenty million, five hundred twenty thousand, five hundred fifty-two".