55752289 has 8 divisors (see below), whose sum is σ = 58769280. Its totient is φ = 52743600.

The previous prime is 55752271. The next prime is 55752311. The reversal of 55752289 is 98225755.

55752289 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 cyclic number.

It is not a de Polignac number, because 55752289 - 2¹³ = 55744097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55752259) 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 7 ways as a sum of consecutive naturals, for example, 15699 + ... + 18919.

It is an arithmetic number, because the mean of its divisors is an integer number (7346160).

Almost surely, 2^55752289 is an apocalyptic number.

It is an amenable number.

55752289 is a deficient number, since it is larger than the sum of its proper divisors (3016991).

55752289 is a wasteful number, since it uses less digits than its factorization.

55752289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151.

The product of its digits is 252000, while the sum is 43.

The square root of 55752289 is about 7466.7455427381. The cubic root of 55752289 is about 382.0212907187.

The spelling of 55752289 in words is "fifty-five million, seven hundred fifty-two thousand, two hundred eighty-nine".