54456447 has 16 divisors (see below), whose sum is σ = 74856320. Its totient is φ = 35193312.

The previous prime is 54456443. The next prime is 54456449. The reversal of 54456447 is 74465445.

It is not a de Polignac number, because 54456447 - 2² = 54456443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54456443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16413 + ... + 19449.

It is an arithmetic number, because the mean of its divisors is an integer number (4678520).

Almost surely, 2^54456447 is an apocalyptic number.

54456447 is a deficient number, since it is larger than the sum of its proper divisors (20399873).

54456447 is a wasteful number, since it uses less digits than its factorization.

54456447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222.

The product of its digits is 268800, while the sum is 39.

The square root of 54456447 is about 7379.4611591904. The cubic root of 54456447 is about 379.0383045966.

The spelling of 54456447 in words is "fifty-four million, four hundred fifty-six thousand, four hundred forty-seven".