63405050 has 24 divisors (see below), whose sum is σ = 121124316. Its totient is φ = 24675840.

The previous prime is 63405037. The next prime is 63405061. The reversal of 63405050 is 5050436.

It can be written as a sum of positive squares in 6 ways, for example, as 50965321 + 12439729 = 7139^2 + 3527^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15287 + ... + 18986.

Almost surely, 2^63405050 is an apocalyptic number.

63405050 is a deficient number, since it is larger than the sum of its proper divisors (57719266).

63405050 is a wasteful number, since it uses less digits than its factorization.

63405050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34322 (or 34317 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 63405050 is about 7962.7288036200. The cubic root of 63405050 is about 398.7566601024.

Adding to 63405050 its reverse (5050436), we get a palindrome (68455486).

The spelling of 63405050 in words is "sixty-three million, four hundred five thousand, fifty".