54449969 has 8 divisors (see below), whose sum is σ = 62800320. Its totient is φ = 46242576.

The previous prime is 54449959. The next prime is 54450001. The reversal of 54449969 is 96994445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54449969 is a prime.

It is a super-2 number, since 2×54449969² = 5929598248201922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54449959) 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, 34919 + ... + 36444.

It is an arithmetic number, because the mean of its divisors is an integer number (7850040).

Almost surely, 2^54449969 is an apocalyptic number.

It is an amenable number.

54449969 is a deficient number, since it is larger than the sum of its proper divisors (8350351).

54449969 is a wasteful number, since it uses less digits than its factorization.

54449969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71479.

The product of its digits is 1399680, while the sum is 50.

The square root of 54449969 is about 7379.0222252003. The cubic root of 54449969 is about 379.0232741907.

The spelling of 54449969 in words is "fifty-four million, four hundred forty-nine thousand, nine hundred sixty-nine".