53638544 has 40 divisors (see below), whose sum is σ = 108421632. Its totient is φ = 25683840.

The previous prime is 53638499. The next prime is 53638561. The reversal of 53638544 is 44583635.

It is a junction number, because it is equal to n+sod(n) for n = 53638498 and 53638507.

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, 35729 + ... + 37199.

Almost surely, 2^53638544 is an apocalyptic number.

It is an amenable number.

53638544 is an abundant number, since it is smaller than the sum of its proper divisors (54783088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53638544 is a wasteful number, since it uses less digits than its factorization.

53638544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575 (or 1569 counting only the distinct ones).

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

The square root of 53638544 is about 7323.8339686260. The cubic root of 53638544 is about 377.1310817741.

The spelling of 53638544 in words is "fifty-three million, six hundred thirty-eight thousand, five hundred forty-four".