54644945 has 8 divisors (see below), whose sum is σ = 65622336. Its totient is φ = 43683696.

The previous prime is 54644921. The next prime is 54644951. The reversal of 54644945 is 54944645.

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 54644945 - 2⁶ = 54644881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5444 + ... + 11786.

It is an arithmetic number, because the mean of its divisors is an integer number (8202792).

Almost surely, 2^54644945 is an apocalyptic number.

It is an amenable number.

54644945 is a deficient number, since it is larger than the sum of its proper divisors (10977391).

54644945 is a wasteful number, since it uses less digits than its factorization.

54644945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8071.

The product of its digits is 345600, while the sum is 41.

The square root of 54644945 is about 7392.2219257812. The cubic root of 54644945 is about 379.4751410455.

The spelling of 54644945 in words is "fifty-four million, six hundred forty-four thousand, nine hundred forty-five".