53564556 has 24 divisors (see below), whose sum is σ = 127343664. Its totient is φ = 17517760.

The previous prime is 53564519. The next prime is 53564579. The reversal of 53564556 is 65546535.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41475 + ... + 42746.

It is an arithmetic number, because the mean of its divisors is an integer number (5305986).

Almost surely, 2^53564556 is an apocalyptic number.

It is an amenable number.

53564556 is an abundant number, since it is smaller than the sum of its proper divisors (73779108).

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

53564556 is a wasteful number, since it uses less digits than its factorization.

53564556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84281 (or 84279 counting only the distinct ones).

The product of its digits is 270000, while the sum is 39.

The square root of 53564556 is about 7318.7810460486. The cubic root of 53564556 is about 376.9575994736.

The spelling of 53564556 in words is "fifty-three million, five hundred sixty-four thousand, five hundred fifty-six".