63547053552 has 160 divisors (see below), whose sum is σ = 183503880000. Its totient is φ = 21055057920.

The previous prime is 63547053527. The next prime is 63547053553. The reversal of 63547053552 is 25535074536.

63547053552 is a `hidden beast` number, since 6 + 3 + 5 + 47 + 0 + 53 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 63547053498 and 63547053507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63547053553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78549724 + ... + 78550532.

It is an arithmetic number, because the mean of its divisors is an integer number (1146899250).

Almost surely, 2^63547053552 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 63547053552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91751940000).

63547053552 is an abundant number, since it is smaller than the sum of its proper divisors (119956826448).

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

63547053552 is a wasteful number, since it uses less digits than its factorization.

63547053552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 45.

The spelling of 63547053552 in words is "sixty-three billion, five hundred forty-seven million, fifty-three thousand, five hundred fifty-two".