63504442 has 8 divisors (see below), whose sum is σ = 95354100. Its totient is φ = 31719744.

The previous prime is 63504439. The next prime is 63504481. The reversal of 63504442 is 24440536.

It can be written as a sum of positive squares in 2 ways, for example, as 62710561 + 793881 = 7919^2 + 891^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 63504442.

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, 13717 + ... + 17752.

Almost surely, 2^63504442 is an apocalyptic number.

63504442 is a deficient number, since it is larger than the sum of its proper divisors (31849658).

63504442 is a wasteful number, since it uses less digits than its factorization.

63504442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32480.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 63504442 is about 7968.9674362492. The cubic root of 63504442 is about 398.9649112888.

Adding to 63504442 its reverse (24440536), we get a palindrome (87944978).

The spelling of 63504442 in words is "sixty-three million, five hundred four thousand, four hundred forty-two".