55589449 has 4 divisors (see below), whose sum is σ = 55624464. Its totient is φ = 55554436.

The previous prime is 55589447. The next prime is 55589453. The reversal of 55589449 is 94498555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55589449 - 2¹ = 55589447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55589447) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15007 + ... + 18340.

It is an arithmetic number, because the mean of its divisors is an integer number (13906116).

Almost surely, 2^55589449 is an apocalyptic number.

It is an amenable number.

55589449 is a deficient number, since it is larger than the sum of its proper divisors (35015).

55589449 is a wasteful number, since it uses less digits than its factorization.

55589449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35014.

The product of its digits is 1296000, while the sum is 49.

The square root of 55589449 is about 7455.8332197012. The cubic root of 55589449 is about 381.6489950269.

The spelling of 55589449 in words is "fifty-five million, five hundred eighty-nine thousand, four hundred forty-nine".