54492447 has 4 divisors (see below), whose sum is σ = 72656600. Its totient is φ = 36328296.

The previous prime is 54492443. The next prime is 54492461. The reversal of 54492447 is 74429445.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54492447 - 2² = 54492443 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 (54492443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9082072 + ... + 9082077.

It is an arithmetic number, because the mean of its divisors is an integer number (18164150).

Almost surely, 2^54492447 is an apocalyptic number.

54492447 is a deficient number, since it is larger than the sum of its proper divisors (18164153).

54492447 is a wasteful number, since it uses less digits than its factorization.

54492447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18164152.

The product of its digits is 161280, while the sum is 39.

The square root of 54492447 is about 7381.8999586827. The cubic root of 54492447 is about 379.1218109210.

The spelling of 54492447 in words is "fifty-four million, four hundred ninety-two thousand, four hundred forty-seven".