53523636 has 12 divisors (see below), whose sum is σ = 124888512. Its totient is φ = 17841208.

The previous prime is 53523623. The next prime is 53523643. The reversal of 53523636 is 63632535.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×53523636² = 5729559221320992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53523597 and 53523606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230140 + ... + 2230163.

It is an arithmetic number, because the mean of its divisors is an integer number (10407376).

Almost surely, 2^53523636 is an apocalyptic number.

It is an amenable number.

53523636 is an abundant number, since it is smaller than the sum of its proper divisors (71364876).

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

53523636 is a wasteful number, since it uses less digits than its factorization.

53523636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460310 (or 4460308 counting only the distinct ones).

The product of its digits is 48600, while the sum is 33.

The square root of 53523636 is about 7315.9849644460. The cubic root of 53523636 is about 376.8615842742.

The spelling of 53523636 in words is "fifty-three million, five hundred twenty-three thousand, six hundred thirty-six".