63319552 has 80 divisors (see below), whose sum is σ = 139455360. Its totient is φ = 28588032.

The previous prime is 63319549. The next prime is 63319573. The reversal of 63319552 is 25591336.

It is a happy number.

It is a congruent number.

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, 223603 + ... + 223885.

It is an arithmetic number, because the mean of its divisors is an integer number (1743192).

Almost surely, 2^63319552 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 63319552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69727680).

63319552 is an abundant number, since it is smaller than the sum of its proper divisors (76135808).

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

63319552 is a wasteful number, since it uses less digits than its factorization.

63319552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 327 counting only the distinct ones).

The product of its digits is 24300, while the sum is 34.

The square root of 63319552 is about 7957.3583556354. The cubic root of 63319552 is about 398.5773461387.

The spelling of 63319552 in words is "sixty-three million, three hundred nineteen thousand, five hundred fifty-two".