55827489 has 8 divisors (see below), whose sum is σ = 74505312. Its totient is φ = 37184000.

The previous prime is 55827481. The next prime is 55827503. The reversal of 55827489 is 98472855.

55827489 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 55827489 - 2³ = 55827481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55827481) 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, 4512 + ... + 11489.

It is an arithmetic number, because the mean of its divisors is an integer number (9313164).

Almost surely, 2^55827489 is an apocalyptic number.

It is an amenable number.

55827489 is a deficient number, since it is larger than the sum of its proper divisors (18677823).

55827489 is a wasteful number, since it uses less digits than its factorization.

55827489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17167.

The product of its digits is 806400, while the sum is 48.

The square root of 55827489 is about 7471.7795069180. The cubic root of 55827489 is about 382.1929733223.

The spelling of 55827489 in words is "fifty-five million, eight hundred twenty-seven thousand, four hundred eighty-nine".