53530236 has 18 divisors (see below), whose sum is σ = 135312632. Its totient is φ = 17843400.

The previous prime is 53530189. The next prime is 53530241. The reversal of 53530236 is 63203535.

It is a tau number, because it is divible by the number of its divisors (18).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 743440 + ... + 743511.

Almost surely, 2^53530236 is an apocalyptic number.

It is an amenable number.

53530236 is an abundant number, since it is smaller than the sum of its proper divisors (81782396).

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

53530236 is a wasteful number, since it uses less digits than its factorization.

53530236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486961 (or 1486956 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 53530236 is about 7316.4360176250. The cubic root of 53530236 is about 376.8770739059.

The spelling of 53530236 in words is "fifty-three million, five hundred thirty thousand, two hundred thirty-six".