63115448 has 32 divisors (see below), whose sum is σ = 130325760. Its totient is φ = 28416480.

The previous prime is 63115447. The next prime is 63115463. The reversal of 63115448 is 84451136.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63115447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6065 + ... + 12767.

It is an arithmetic number, because the mean of its divisors is an integer number (4072680).

Almost surely, 2^63115448 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 63115448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65162880).

63115448 is an abundant number, since it is smaller than the sum of its proper divisors (67210312).

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

63115448 is a wasteful number, since it uses less digits than its factorization.

63115448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827 (or 6823 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 63115448 is about 7944.5231449093. The cubic root of 63115448 is about 398.1486276042.

It can be divided in two parts, 63 and 115448, that added together give a palindrome (115511).

The spelling of 63115448 in words is "sixty-three million, one hundred fifteen thousand, four hundred forty-eight".