63643052 has 24 divisors (see below), whose sum is σ = 125692560. Its totient is φ = 27930560.

The previous prime is 63643049. The next prime is 63643091. The reversal of 63643052 is 25034636.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23663 + ... + 26214.

It is an arithmetic number, because the mean of its divisors is an integer number (5237190).

Almost surely, 2^63643052 is an apocalyptic number.

It is an amenable number.

63643052 is a deficient number, since it is larger than the sum of its proper divisors (62049508).

63643052 is a wasteful number, since it uses less digits than its factorization.

63643052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49921 (or 49919 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 63643052 is about 7977.6595565366. The cubic root of 63643052 is about 399.2549715263.

Adding to 63643052 its reverse (25034636), we get a palindrome (88677688).

The spelling of 63643052 in words is "sixty-three million, six hundred forty-three thousand, fifty-two".