63643053 has 16 divisors (see below), whose sum is σ = 91941696. Its totient is φ = 39002880.

The previous prime is 63643049. The next prime is 63643091. The reversal of 63643053 is 35034636.

It is not a de Polignac number, because 63643053 - 2² = 63643049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63643053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63643033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12318 + ... + 16703.

It is an arithmetic number, because the mean of its divisors is an integer number (5746356).

Almost surely, 2^63643053 is an apocalyptic number.

It is an amenable number.

63643053 is a deficient number, since it is larger than the sum of its proper divisors (28298643).

63643053 is a wasteful number, since it uses less digits than its factorization.

63643053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29084.

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 63643053 is about 7977.6596192116. The cubic root of 63643053 is about 399.2549736174.

Adding to 63643053 its reverse (35034636), we get a palindrome (98677689).

The spelling of 63643053 in words is "sixty-three million, six hundred forty-three thousand, fifty-three".