53603544 has 16 divisors (see below), whose sum is σ = 134008920. Its totient is φ = 17867840.

The previous prime is 53603507. The next prime is 53603549. The reversal of 53603544 is 44530635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53603549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116717 + ... + 1116764.

Almost surely, 2^53603544 is an apocalyptic number.

It is an amenable number.

53603544 is an abundant number, since it is smaller than the sum of its proper divisors (80405376).

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

53603544 is a wasteful number, since it uses less digits than its factorization.

53603544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233490 (or 2233486 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 53603544 is about 7321.4441198441. Note that the first 3 decimals coincide. The cubic root of 53603544 is about 377.0490359236.

The spelling of 53603544 in words is "fifty-three million, six hundred three thousand, five hundred forty-four".