63552999552 has 128 divisors (see below), whose sum is σ = 193681549440. Its totient is φ = 18087149568.

The previous prime is 63552999533. The next prime is 63552999581. The reversal of 63552999552 is 25599925536.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644818 + ... + 736814.

It is an arithmetic number, because the mean of its divisors is an integer number (1513137105).

Almost surely, 2^63552999552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63552999552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96840774720).

63552999552 is an abundant number, since it is smaller than the sum of its proper divisors (130128549888).

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

63552999552 is a wasteful number, since it uses less digits than its factorization.

63552999552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92278 (or 92266 counting only the distinct ones).

The product of its digits is 32805000, while the sum is 60.

The spelling of 63552999552 in words is "sixty-three billion, five hundred fifty-two million, nine hundred ninety-nine thousand, five hundred fifty-two".