63538544 has 30 divisors (see below), whose sum is σ = 124604376. Its totient is φ = 31386880.

The previous prime is 63538513. The next prime is 63538547. The reversal of 63538544 is 44583536.

It is a junction number, because it is equal to n+sod(n) for n = 63538498 and 63538507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63538547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204149 + ... + 204459.

Almost surely, 2^63538544 is an apocalyptic number.

It is an amenable number.

63538544 is a deficient number, since it is larger than the sum of its proper divisors (61065832).

63538544 is a wasteful number, since it uses less digits than its factorization.

63538544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 426 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 63538544 is about 7971.1068240239. The cubic root of 63538544 is about 399.0363134685.

The spelling of 63538544 in words is "sixty-three million, five hundred thirty-eight thousand, five hundred forty-four".