63534450 has 48 divisors (see below), whose sum is σ = 180077760. Its totient is φ = 14521920.

The previous prime is 63534409. The next prime is 63534451. The reversal of 63534450 is 5443536.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (63534451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29205 + ... + 31304.

It is an arithmetic number, because the mean of its divisors is an integer number (3751620).

Almost surely, 2^63534450 is an apocalyptic number.

63534450 is an abundant number, since it is smaller than the sum of its proper divisors (116543310).

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

63534450 is a wasteful number, since it uses less digits than its factorization.

63534450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60531 (or 60526 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 63534450 is about 7970.8500174072. The cubic root of 63534450 is about 399.0277428716.

Adding to 63534450 its reverse (5443536), we get a palindrome (68977986).

The spelling of 63534450 in words is "sixty-three million, five hundred thirty-four thousand, four hundred fifty".