55749089 has 8 divisors (see below), whose sum is σ = 60884832. Its totient is φ = 50624640.

The previous prime is 55749073. The next prime is 55749119. The reversal of 55749089 is 98094755.

55749089 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 not a de Polignac number, because 55749089 - 2⁴ = 55749073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55749389) 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, 10097 + ... + 14609.

It is an arithmetic number, because the mean of its divisors is an integer number (7610604).

Almost surely, 2^55749089 is an apocalyptic number.

It is an amenable number.

55749089 is a deficient number, since it is larger than the sum of its proper divisors (5135743).

55749089 is a wasteful number, since it uses less digits than its factorization.

55749089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5647.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 55749089 is about 7466.5312562126. The cubic root of 55749089 is about 382.0139816525.

The spelling of 55749089 in words is "fifty-five million, seven hundred forty-nine thousand, eighty-nine".