55305449 has 8 divisors (see below), whose sum is σ = 55912032. Its totient is φ = 54701920.

The previous prime is 55305443. The next prime is 55305461. The reversal of 55305449 is 94450355.

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 55305449 - 2⁸ = 55305193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55305443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57557 + ... + 58509.

It is an arithmetic number, because the mean of its divisors is an integer number (6989004).

Almost surely, 2^55305449 is an apocalyptic number.

It is an amenable number.

55305449 is a deficient number, since it is larger than the sum of its proper divisors (606583).

55305449 is a wasteful number, since it uses less digits than its factorization.

55305449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 55305449 is about 7436.7633416695. The cubic root of 55305449 is about 380.9979516886.

The spelling of 55305449 in words is "fifty-five million, three hundred five thousand, four hundred forty-nine".