53552566 has 8 divisors (see below), whose sum is σ = 80680320. Its totient is φ = 26659128.

The previous prime is 53552561. The next prime is 53552591. The reversal of 53552566 is 66525535.

53552566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53552561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58006 + ... + 58921.

It is an arithmetic number, because the mean of its divisors is an integer number (10085040).

Almost surely, 2^53552566 is an apocalyptic number.

53552566 is a deficient number, since it is larger than the sum of its proper divisors (27127754).

53552566 is a wasteful number, since it uses less digits than its factorization.

53552566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117158.

The product of its digits is 135000, while the sum is 37.

The square root of 53552566 is about 7317.9618747299. The cubic root of 53552566 is about 376.9294710542.

It can be divided in two parts, 5355 and 2566, that added together give a square (7921 = 89²).

The spelling of 53552566 in words is "fifty-three million, five hundred fifty-two thousand, five hundred sixty-six".