54424445 has 8 divisors (see below), whose sum is σ = 67561560. Its totient is φ = 42038080.

The previous prime is 54424441. The next prime is 54424501. The reversal of 54424445 is 54442445.

It can be written as a sum of positive squares in 4 ways, for example, as 11874916 + 42549529 = 3446^2 + 6523^2 .

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

It is not a de Polignac number, because 54424445 - 2² = 54424441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54424441) 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, 187526 + ... + 187815.

It is an arithmetic number, because the mean of its divisors is an integer number (8445195).

Almost surely, 2^54424445 is an apocalyptic number.

It is an amenable number.

54424445 is a deficient number, since it is larger than the sum of its proper divisors (13137115).

54424445 is a wasteful number, since it uses less digits than its factorization.

54424445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375375.

The product of its digits is 51200, while the sum is 32.

The square root of 54424445 is about 7377.2925250393. The cubic root of 54424445 is about 378.9640412089.

The spelling of 54424445 in words is "fifty-four million, four hundred twenty-four thousand, four hundred forty-five".