63534443 has 8 divisors (see below), whose sum is σ = 72698112. Its totient is φ = 54392616.

The previous prime is 63534409. The next prime is 63534451. The reversal of 63534443 is 34443536.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63534443 - 2²⁰ = 62485867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63534463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346 + ... + 11352.

It is an arithmetic number, because the mean of its divisors is an integer number (9087264).

Almost surely, 2^63534443 is an apocalyptic number.

63534443 is a deficient number, since it is larger than the sum of its proper divisors (9163669).

63534443 is a wasteful number, since it uses less digits than its factorization.

63534443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10921.

The product of its digits is 51840, while the sum is 32.

The square root of 63534443 is about 7970.8495783072. The cubic root of 63534443 is about 399.0277282171.

Adding to 63534443 its reverse (34443536), we get a palindrome (97977979).

The spelling of 63534443 in words is "sixty-three million, five hundred thirty-four thousand, four hundred forty-three".