53609808 has 40 divisors (see below), whose sum is σ = 158277568. Its totient is φ = 15316992.

The previous prime is 53609791. The next prime is 53609821. The reversal of 53609808 is 80890635.

It is a super-3 number, since 3×53609808³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

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, 79441 + ... + 80112.

Almost surely, 2^53609808 is an apocalyptic number.

It is an amenable number.

53609808 is an abundant number, since it is smaller than the sum of its proper divisors (104667760).

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

53609808 is a wasteful number, since it uses less digits than its factorization.

53609808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159571 (or 159565 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 53609808 is about 7321.8718918047. The cubic root of 53609808 is about 377.0637224101.

The spelling of 53609808 in words is "fifty-three million, six hundred nine thousand, eight hundred eight".