63133648 has 20 divisors (see below), whose sum is σ = 129517380. Its totient is φ = 29709824.

The previous prime is 63133633. The next prime is 63133657. The reversal of 63133648 is 84633136.

It can be written as a sum of positive squares in 2 ways, for example, as 30780304 + 32353344 = 5548^2 + 5688^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115783 + ... + 116326.

It is an arithmetic number, because the mean of its divisors is an integer number (6475869).

Almost surely, 2^63133648 is an apocalyptic number.

63133648 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

63133648 is an abundant number, since it is smaller than the sum of its proper divisors (66383732).

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

63133648 is a wasteful number, since it uses less digits than its factorization.

63133648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232134 (or 232128 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 63133648 is about 7945.6685055444. The cubic root of 63133648 is about 398.1868940342.

The spelling of 63133648 in words is "sixty-three million, one hundred thirty-three thousand, six hundred forty-eight".